Suppose that we will randomly select a sample of 64 measurements from a population having a mean
Question:
a. Describe the shape of the sampling distribution of the sample mean . Do we need to make am assumptions about the shape of the population? Why or why not?
b. Find the mean and the standard deviation of the sampling distribution of the sample mean x.
c. Calculate the probability that we will obtain a sample mean greater than 21; that is, calculate P(> 21).
d. Calculate the probability that we will obtain a sample mean less than 19.385; that is, calculate P( < 19.385). Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Related Book For
Business Statistics In Practice
ISBN: 9780073401836
6th Edition
Authors: Bruce Bowerman, Richard O'Connell
Question Posted: