f the sample size n=25, the sample mean = 10 and the sample standard deviation s=6, create the 90% confidence interval for the population mean and interpret it. A. The confidence interval is [7.52 ,12.48] and 90% of the population values fall in this interval. B. The confidence interval is [7.52 ,12.48] and there is a 90% chance that the population mean has a value that falls within this interval. C.The confidence interval is [7.95 ,12.05] and there is a 90% chance that the population mean has a value that falls within this interval. D. The confidence interval is [7.95 ,12.05] and 90% of the population values lie within this interval.

Answers

Answer 1

Answer:

Answer:

(s/√n) is the standard error of the sample mean. If the sample size n=25, the sample mean = 10 and the sample standard deviation s=6, create the 90% confidence interval for the population mean and interpret it. A. The confidence interval is [7.52 ,12.48] and 90% of the population values fall in this interval.

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What is 20% of 90 with the work?

Answers

What you want to do is convert 20% into a decimal. Then you multiply that by 90. So, if 20% was a decimal(In this case it is 0.2) you do 0.2*90 which equals 18. So the answer is 18.

the easy way is:

covert 20% as a fraction

20/100=x/90 and solve it.

the answer is.... 18

A Find the slope of the graph using thepoints (1, 2) and (5, 10). Remember that
the slope is the constant rate of change.

Answers

Answer: 2

Step-by-step explanation:

To find the slope, we use the formula $m=(y_2-y_1)/(x_2-x_1)$ . With the given points, we can directly plug them in and solve.

$m=(10-2)/(5-1) =(8)/(4)=2$

Now, we know that the slope is 2.

Kim, Kyle and Katie contribute the same amount to their fathers gift. Their older sister contributes $12. how much does Kate contribute is the total is $30.

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The total cost was $30.00. The oldest sister contributed $12.00 leaving $18.00. The other two sisters divided this and it was $9.00 each

it's would be $6.00 dollars each because 30-12=18 then divide 18 by 3 and you get 6

The distance in miles that you can see to the horizon is a radical function that depends on the height (in feet) that you are above the ground. If you can see a distance of 5 miles, how many feet are you from the ground?

Answers

Answer:

16.67 feet from ground

Step-by-step explanation:

Given

$d= √( 1.5h)$ --- missing from the question

$d \to distance$

$h \to height$

Required

Determine the height when distance = 5 miles

This implies that:

$d = 5$

So, we have:

$d= √( 1.5h)$

$5 = \sqrt{1.5h$

Take square roots of both sides

$5^2 = 1.5h$

$25 = 1.5h$

Divide both sides by 1.5

$(25)/(1.5) = h$

$h = (25)/(1.5)$

$h = 16.67$

Is 1/3 less than 1/4

Answers

For this question you should know:
1/4 is equal to 3/12
and
1/3 is equal to 4/12
so you can see that 4/12 is greater than 3/12 so 1/3 is GREATER than 1/4 :))))
I hope this is helpful
have a nice day

No, 1/4 is less than 1/3

PLS HELP ME OUT REWARD GUARANTEE!!!!!!!!!!!!!The fat content for seven different sandwiches at a restaurant is 42, 61, 13, 9, 12, 42, and 62. Find the mean, median and mode of the fat contents.

Answers

Mean: subtract the smallest number from the biggest number...62-9=?Median: the middle number, order the numbers from smallest to biggest....Mode: the number that is repeated the most...This should help you. I do not want to give you the answers. I want you to do them yourself with the instructions I gave you and then come back and post them when you are done so I may check them. Okay?

Mean: $\bar{x} = (x_(1) + x_(2) + x_(3) + x_(4) + x_(5) + x_(6) + x_(7))/(n)$
$\bar{x} = (42 + 61 + 13 + 9 + 12 + 42 + 62)/(7)$
$\bar{x} = (241)/(7)$
$\bar{x} = 34(3)/(7)$

Median: 9, 12, 13, 42, 42, 61, 62
42

Mode: 42

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