Come on help me pretty plz

H0 says that the population means are equal.

In the context of a hypothesis test for the difference of means between two independent populations (x1 and x2), the null hypothesis (H0) states the following about the relationship between the two population means:
H0 says that the population means are equal.
In other words, the null hypothesis assumes that there is no significant difference between the means of the two populations. The alternative hypothesis would then state that the population means are different. Remember that hypothesis testing is a process to determine whether there is enough evidence to reject the null hypothesis in favor of the alternative hypothesis.

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Answer:

multiply a term by 2 and add 1 to get the next term

Step-by-step explanation:

3×2=6 +1 =7

7×2=14+1= 15

15×2=30+1=31

Answer:

  Multiply a term by 2 and add 1 to get the next term

Step-by-step explanation:

The first differences of terms are ...

  7 -3 = 4

  15 -7 = 8

  31 -15 = 16

We notice that these increase by a factor of 2. This signifies an exponential sequence. That factor (2) will be the value that each term is multiplied by to get the next. This eliminates the choices "add 4" and "multiply a term by 3 ...".

Trying the remaining two choices, we find that the one that fits is the one shown above.

  3+7 ≠ 15, so "the sum of the two preceding terms" doesn't work

  2(3) +1 = 7; 2(7) +1 = 15; 2(15) +1 = 31, so "multiply by 2 and add 1" works fine

Answer: The no. is 8

Step-by-step explanation:

Let the no. be x

6x - 1 = 47

6x = 48

x = 8

Answer:

let the certain number be x

6 × x - 1= 47

6x - 1 = 47

6x = 47 + 1

6x = 48

x = 48/6

x = 8

Answer:

AOC = 20 degrees

Step-by-step explanation:

We know that FOB is 70 degrees, and COF is 90 degrees. So just add 70+90 and get 160 degrees. Then you subtract that from AOB which is 20 degrees.

Answer:

Its just E

I'm sorry if I'm wrong

Answer: A, C, E

Solve for all the inequalitites.

n + 5 < 9

n < 9 - 5

n < 4

∴ n = 3 is a part of the solution set.

13n < 1

n < 1/13

∴ This definitely doesn't include n = 3.

3n + 1 > 7

3n > 6

n > 2

∴ n = 3 is part of the solution because n is larger than 2.

3n > 9.5

n > 9.5 ÷ 3

n > 3.16666666

∴ n = 3 is not part of the solution set.

n - 2 < 5

n < 5 + 2

n < 7

∴ n = 3 is a part of the solution set.

Answer:

yup very easy

Step-by-step explanation:

Answer:

D i got it wrong and that was the correct answer

Step-by-step explanation:

If the negative exponents of expression  4a*2b-2/16a-3b then we will get 8ab.

An expression is a combination of numbers, symbols, fraction, coefficients, indeterminants, etc. It is usually not expressed in equal to form. It expresses some relationship between variables.

The expression which is given is 4a*2b-2/16a-3b

We have to solve the expression as under:

4a*2b-2/16a-3b=8ab-1/8a-3b

Now we have to eliminate the negative exponents which are 1/8a and 3b and we have to eliminate them and the left out expression is 8ab.

Hence we will get 8ab if we eliminate negative exponents of 4a2b-2/16a-3b.

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There are 64000 distinct combinations .

The dial for the standard combination lock is fastened to a spindle. The spindle travels through many wheels and a drive cam inside the lock. Every number has one wheel, hence the number of wheels in a wheel pack depends on how many numbers are in the combination.

The lock uses the numbers 0 to 39 and has 64,000 distinct combinations.

How many possible three-number combinations are there?

You have 10 options for the first digit, 9 options for the second digit, and 8 options for the third digit, giving you 10x9x8 = 720 if you want all three possible numbers with no duplication of the digits.

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Answer:

Step-by-step explanation:

There is 1/2 cake left, or .5, or 50%.

.5 divided by 4 equals .125, or 1/8, of 12.5%

In fraction form, each person will receive 1/8 slice of cake.

Hope this helps!

Mark Brainliest plz!

The integer variable bonus is assigned a value based on the value of the integer variable score

score > 100 implies bonus = 10 * score

score between 50 and 100 implies bonus = score

score < 50 implies bonus = 0

First, we need to analyze the conditions:

score > 100 implies bonus = 10 * score

score between 50 and 100 implies bonus = score

score < 50 implies bonus = 0

Writing the above as programming instructions, we have:

if(score > 100){//This represents the first condition

bonus = 2 * score;

}

else if(score >=50 && score<=100){//This represents the second

bonus = score;

}

else{//This represents the last condition

bonus = 0;

}

Hence, if score > 100 implies bonus = 10 * score

score between 50 and 100 implies bonus = score

score < 50 implies bonus = 0

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The to your question is that we can use the normal distribution to estimate the probability that the product will last between 16.536 and 8.054 years.


In this case, we want to calculate the probability for x = 16.536 and x = 8.054. The mean (μ) is 14.242 years, and the standard deviation (σ) is 3.978 years.

Using the formula, we can calculate the z-scores for both values:
For x = 16.536: z = (16.536 - 14.242) / 3.978
For x = 8.054: z = (8.054 - 14.242) / 3.978

Once we have the z-scores, we can look up the corresponding probabilities in the standard normal distribution table or use a calculator. Subtracting the probability for the lower z-score from the probability for the higher z-score will give us the probability that the product will last between 16.536 and 8.054 years.

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Answer: The lowest possible product would be -6724 given the numbers 82 and -82.

We can find this by setting the first number as x + 164. The other number would have to be simply x since it has to have a 164 difference.

Next we'll multiply the numbers together.

x(x+164)

x^2 + 164x

Now we want to minimize this as much as possible, so we'll find the vertex of this quadratic graph. You can do this by finding the x value as -b/2a, where b is the number attached to x and a is the number attached to x^2

-b/2a = -164/2(1) = -164/2 = -82

So we know one of the values is -82. We can plug that into the equation to find the second.

x + 164

-82 + 164

82

Step-by-step explanation: Hope this helps.

Answer: To find the remainder when the polynomial 5x^2 + 10x - 15 is divided by x + 5, we can use polynomial long division or synthetic division. Here, we will use synthetic division:

The divisor is x + 5, so we change its sign and write -5 as the constant in the synthetic division setup. Then we list the coefficients of the terms of the dividend polynomial, in decreasing order of powers of x, and place a placeholder for the missing x term:

-5 | 5 0 10 -15

| -25 125 -675

+----------------

5 -25 135 -690

The remainder is the last number in the bottom row, which is -690. Therefore, the remainder when 5x^2 + 10x - 15 is divided by x + 5 is -690.

Step-by-step explanation:

Another name for the regression line is the least squares line because it was chosen to make the sum of the squares of the differences between the observed y values ​​and the values ​​predicted by the line as small as possible.

A regression line (LSRL - Least Squares Regression Line) is a straight line that describes how the response variable y changes when the explanatory variable x changes. The line is the mathematical model used to predict the value of y for a given x.

Least squares is a form of mathematical regression analysis used to determine the line of best fit for a data set, providing a visual demonstration of the relationship between data points. Each data point represents the relationship between a known independent variable and an unknown dependent variable.

If the data shows a weak relationship between two variables, the line that best fits this linear relationship is called a least-squares regression line, and it minimizes the vertical distance of the data points from the regression line. The term "least squares" is used because it is the minimum of the sum of squared errors, also known as "variance". In regression analysis, the dependent variable is shown on the vertical y-axis and the independent variable is shown on the horizontal x-axis. These specifications form the equation for the line of best fit, which is determined by the method of least squares.

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Answer:

20 units

Step-by-step explanation:

the perimeter is the length of all of the edges added up. Imagine a fence around the shape, that's the perimeter

To find it, just add up all the sides

5+5+5+5=20

Answer:

2.857m/s^2

Step-by-step explanation:

Acceleration (a) is the change in velocity (v) over the change in time (t), represented by the equation a = v/t.

By writing a check for 1000.00 dollars involves filling out the date, recipient, amount in both numeric and written form, memo (if needed), and signing the check with the correct currency.

First, start by filling out the date in the top right corner of the check. Be sure to write out the month, day, and year in the correct format.

Next, write the name of the recipient on the "Pay to the Order of" line. This should be the full legal name of the person or business that you are giving the check to.

After that, fill out the amount of the check in both numeric and written form. For 1000.00 dollars, you would write "1000.00" in the box provided and "One Thousand and 00/100" on the line below. Be sure to include the decimal point and double-check that the amounts match.

Then, write a memo in the bottom left corner of the check if needed. This is optional but can help you remember what the check was for in case you need to reference it later.

Finally, sign the check in the bottom right corner. Make sure your signature matches the name printed on the account and that the currency you are using is correct.

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Using linear function to solve this problem, for every 1 gallon of gas, Francisco travelled 27.9 miles

A linear function is a function that represents a straight line on the coordinate plane. For example, y = 3x - 2 represents a straight line on a coordinate plane and hence it represents a linear function. Since y can be replaced with f(x), this function can be written as f(x) = 3x - 2. A linear function is of the form f(x) = mx + b where 'm' and 'b' are real numbers. Isn't it looking like the slope-intercept form of a line which is expressed as y = mx + b? Yes, this is because a linear function represents a line, i.e., its graph is a line. where m is slope of the line and b is the y - intercept

We can use the data given in writing out our equation

390.6 = 14x

If 14 gallons = 390.6 miles

 1 gallon = x miles

x = 390.6 / 14

x = 27.9 miles

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Answer:

X=8.7 (1dp)

Step-by-step explanation:

X=8.7

Please give Brainliest

The markup of camping store is 34.59% based on the cost price of $22.29

What is markup?

Markup is the profit on selling price as a percentage of the cost price , which means that in the first place, we need to ascertain the profit per unit first and foremost, which is the selling price minus the cost price, in  other words, the markup is different from the margin which is the profit as a percentage of the selling since the markup is profit as a percentage of the cost price

profit per unit=$30.00-$22.29

profit per unit=$7.71

markup=profit per unit/cost price per unit

cost price per unit=$22.29

markup=$7.71/$22.29

markup=34.59%

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Answer:

\(x=\frac{2\pm i\sqrt{6}}{2}\)

Step-by-step explanation:

\(-2x^2+4x=5\\\\-2x^2+4x-5=0\\\\x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\ \\x=\frac{-4\pm\sqrt{(4)^2-4(-2)(-5)}}{2(-2)}\\\\x=\frac{-4\pm\sqrt{16-40}}{-4}\\\\x=\frac{-4\pm\sqrt{-24}}{-4}\\ \\x=\frac{-4\pm2i\sqrt{6}}{-4}\\ \\x=\frac{2\pm i\sqrt{6}}{2}\)

⇒

A bank statement is a list of all transactions for a bank account over a set period, usually monthly. The statement includes deposits, charges, withdrawals, as well as the beginning and ending balance for the period.

The top of a bank statement generally shows the name of the account holder along with sensitive information such as bank account number and branch number. It also contains a summary table that shows the time period, opening balance, deposits, withdrawals, and closing balance.

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a) The 90% confidence interval for the population proportion is approximately (0.7777, 0.8423).

b) The 95% confidence interval for the population proportion is approximately (0.7737, 0.8463).

To calculate the confidence intervals for the population proportion, we can use the formula:

Confidence Interval = sample proportion ± margin of error

The margin of error can be calculated using the formula:

Margin of Error = critical value * standard error

where the critical value is determined based on the desired confidence level and the standard error is calculated as:

Standard Error = \(\sqrt{((p * (1 - p)) / n)}\)

Given that the sample proportion (p) is 0.81 and the sample size (n) is 500, we can calculate the confidence intervals.

a. 90% Confidence Interval:

To find the critical value for a 90% confidence interval, we need to determine the z-score associated with the desired confidence level. The z-score can be found using a standard normal distribution table or calculator. For a 90% confidence level, the critical value is approximately 1.645.

Margin of Error = \(1.645 * \sqrt{(0.81 * (1 - 0.81)) / 500)}\)

≈ 0.0323

Confidence Interval = 0.81 ± 0.0323

≈ (0.7777, 0.8423)

Therefore, the 90% confidence interval for the population proportion is approximately (0.7777, 0.8423).

b. 95% Confidence Interval:

For a 95% confidence level, the critical value is approximately 1.96.

Margin of Error = \(1.96 * \sqrt{(0.81 * (1 - 0.81)) / 500)}\)

≈ 0.0363

Confidence Interval = 0.81 ± 0.0363

≈ (0.7737, 0.8463)

Thus, the 95% confidence interval for the population proportion is approximately (0.7737, 0.8463).

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Answer:

You can make 7.5 gifts presents (or just 7)

Step-by-step explanation:

First I calculated the area of 1 box, which is 80 inches squared. Then I just divided the 600 square inches with the 80 inches. 600/80= 7.5. Therefore, you can make 7 presents (since you cannot wrap half of a present (0.5))

Hope this helps !

Answer:

Step-by-step explanation:

\(\frac{6}{3}=\frac{AC}{6}\\AC=12\)

The probability that the team will win the sport is 77%.

Given that an area kicker in pro football incorporates a 77% probability of creating a field goal over 40 yards and every attempt field goal is independent.

Probability is how something is likely to happen. The probability of a happening is calculated by the probability formula by simply dividing the favorable number of outcomes by the overall number of possible outcomes.

So, his team will win the sport if he makes a goal otherwise loses.

Therefore, the Probability that his team will win the sport P[E] =P[making a field goal]

P[E]=77%

Hence, the probability that the team will win the sport when making a field goal is 77%.

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Answer:

26 divided by 2

13

Step-by-step explanation:

divide the number of the apples in 2 trees by the number of apples that WOULD be in 1 tree

REST. YOU NEED TO SLEEP.

Answer:

I believe it is 13 I might be wrong but I promise I am trying.

Step-by-step explanation:

By presenting data in a frequency distribution, you can gain a visual representation of the data groups and a

percentage

representation of the data groups.

A

frequency distribution

is a tabular or graphical representation of data that organizes it into different groups or intervals, along with the corresponding frequencies or counts. This distribution provides valuable information and insights about the data.

One benefit of presenting data in a frequency distribution is that it offers a

visual representation

of the data groups. Instead of looking at individual data values, the data is grouped into intervals or categories, making it easier to identify patterns, trends, and the overall distribution of the data. It provides a summary view that can help in understanding the data at a glance.

Another advantage of a frequency distribution is that it allows for a percentage representation of the data groups. Along with the frequency or count of each group, the distribution can include relative frequencies or proportions. By dividing the frequency of each group by the total number of observations, we can calculate the percentage or proportion of the data falling into each group. This information can be useful for comparing the relative importance or contribution of different groups within the data.

In summary, presenting data in a frequency distribution offers a visual representation of the data groups, facilitating the identification of patterns and trends. Additionally, it provides a percentage representation of the data groups, enabling comparisons and insights into the relative importance of different

categories or intervals.

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The highest score is 12794706708

What is mean ?

The average of a set of data is referred to as the mean in statistics and arithmetic. The simple arithmetic mean, geometric mean, and harmonic mean are some of the methods that can be used to calculate the mean. The basic arithmetic mean involves adding the numbers together and dividing the result by the number of observations.

At first (remaining + top player) /888 = 14514514

So remaining + top = 12888888432

Now after removing top

Remaining/777 = 121212

Remaining = 94181724

So top = 12888888432 - 94181724

           = 12794706708

12794706708 is the score of the top player

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