- +1-530-264-8006
- info@tutorsglobe.com

Mean of sampling distribution of sample

A supermarket receives a shipment of 20,000 cans of beans. The supermarket picks a random sample 100 cans and finds their weights. If the mean of the weights of the cans in the shipment is known to equal 20, and the standard deviation of the weights of the cans in the shipment is known to equal 5, then

a. What is the mean of sampling distribution of sample mean X(X- bar) ?

b. What is the variance of sampling distribution of sample mean X(X-bar) ?

c. For a sample with size 100, what is the probability that the sample mean exceed 20?

d. For a sample with size 100, what is the probability that the sample mean exceed 19?

e. For a sample with size 100, what is the probability that the sample mean is less than 21?

f. For a sample with size 100, what is the probability that the sample mean lies between 20 and 21?

g. For a sample with size 100, what is the probability that the sample mean lies between 19 and 21?

Expected delivery within 24 Hoursrs

18,76,764

Questions

Asked

21,311

Experts

9,67,568

Questions

Answered

Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!

Submit Assignment2015 © Tutors Globe. All rights reserved.

## Q : Calculate the mean and median

The following data give the 1994 total area of farmland (in millions of acres) for 10 states (Statistical Abstract of the United States, 1995). The data, entered in that order, are for the states of Colorado, Iowa, Kansas, Minnesota, Missouri, Ne