It is known that the population variance equals 484 . With a .95 probability, the sample size that ...

Author Question: It is known that the population variance equals 484 . With a .95 probability, the sample size that ... (Read 85 times)

awywial

Hero Member
Posts: 577

on: Jun 24, 2018

It is known that the population variance equals 484 . With a .95 probability, the sample size that needs to be taken to estimate the population mean if the desired margin of error is 5 or less is
a. 25
b. 74
c. 189
d. 75

Question 2

The skewness measure for exponential distributions is _____.
a. 0
b. 1
c. 2
d. 3

jaymee143

Sr. Member
Posts: 341

Reply #1 on: Jun 24, 2018

Answer to Question 1

d

Answer to Question 2

c

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