copy and electronically file a 1040 tax form. The distribution of times follows the

mormal distribution and the standard deviation is 80 minutes. A consumer watchdog

agency selects a random sample of 40 taxpayers.

a. What is the standard error of the mean in this example ?

b. What is the likelihood the sample mean is greater than 320 minutes ?

c. What is the liklihood the sample mean is between 320 and 350 minutes ?

d. What is the likelihood the sample mean is greater than 350 minutes ?

#### Top Answer

Dear Student Please find... View the full answer

### Recently Asked Questions

- Hi, I have three questions on the attached on statistics. The 1st is Spencer Enterprises is attempting to choose among a series of new investment

- . Define the terms COMMIT, ROLLBACK, and SAVEPOINT as they relate to data transactions.

- what is the meaning of neptunes moon triton? i mean what is the meaning of triton?