Mathematics, 22.09.2020 05:01, abosse144

A normal population has the mean of 10 and the variance of 25 . A random sample of size n-28 is selected. (a) Find the standard deviation of the sample mean. Round your answer to two decimal places (e. g. 98.76)
(b) How large must the sample be if you want to halve the standard deviation of the sample mean?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 18:00, RoyalGurl01

Identify which functions are linear or non-linear. a. f(x) = x2 + 1 b. f(x) = 2x + 5 c. f(x) = x 2 + 3 d. f(x) = 3 x + 7 e. f(x) = 4x + 10 2 - 5

Answers: 1

continue

Mathematics, 21.06.2019 19:30, andrwisawesome0

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip

Answers: 1

continue

Mathematics, 21.06.2019 19:50, leximae2186

The graph shows the distance kerri drives on a trip. what is kerri's speed?

Answers: 3

continue

Mathematics, 21.06.2019 21:00, KieraKimball

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?

Answers: 1

continue

Do you know the correct answer?

A normal population has the mean of 10 and the variance of 25 . A random sample of size n-28 is sele...