Homework Help

# The president of doerman distributors, inc., believes that 26% of the

[removed][removed]

[removed][removed]

A simple random sample of five months of sales data provided the following information:

- Develop a point estimate of the population mean number of units sold per month.

[removed][removed] - Develop a point estimate of the population standard deviation (to 2 decimals).

[removed][removed]

The College Board American College Testing Program reported a population mean SAT score of = 1020 (*The World Almanac 2003*). Assume that the population standard deviation is = 100.

- What is the probability that a random sample of 75 students will provide a sample mean SAT score within 10 of the population mean (to 4 decimals)?

[removed][removed] - What is the probability a random sample of 75 students will provide a sample mean SAT score within 20 of the population mean (to 4 decimals)?

[removed][removed]