{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

291sample Test2

# 291sample Test2 - Name Test Version ID A MGSC 291 Sample...

This preview shows pages 1–2. Sign up to view the full content.

Test Version ID : A 1 MGSC 291 - Sample Test 2 1. Please write your name on the top of this test paper. 2. On the Bubble Answer Form, please fill in the following information: a) Your name b) Last 4 digits of your SSN in the Student ID Number section (leave the 5th column blank). c) Fill in the bubbles below your 4-digit SSN. 3. Turn in all test materials (test paper, bubble form, formula sheet, z and t tables) when you are finished. Failure to follow any of the above instructions will result in a loss of points on the exam. You may use a calculator and the provided formula sheet, z -table, and t -table. You have 75 minutes to complete the exam. Each question is worth 5 points and has a single correct answer. 1. The U.S. Bureau of Labor Statistics reports that the annual expenditure on food and drink for families is normally distributed with a mean of \$6800 and standard deviation of \$1500. Therefore, 46% of families annually spend less than how much on food and drink? a) 6650 b) 6316 c) 7284 d) 6950 2. A population has a mean of \$500 and a standard deviation of \$22. Suppose a simple random sample of 35 is selected from the population and the sample mean is computed. What is probability that the sample mean will be within \$10 of the population mean? a) .3472 b) .6736 c) .9928 d) .3264 3. In an on-line auction of a Nintendo Wii system, the secret reserve price is uniformly distributed between \$180 and \$220. What is the standard deviation of the reserve price? a) 6.67 b) 10.0 c) 8.16 d) 11.55 4. Thirty percent of privately owned companies are owned by women. A sample of 200 companies is randomly selected and the sample proportion owned by women is computed and found to be 32%. The standard deviation of the sampling distribution of the sample proportion is 0.0324. What is the probability of selecting a sample of 200 companies and obtaining a sample proportion of less than 32% women-owned? a)

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 5

291sample Test2 - Name Test Version ID A MGSC 291 Sample...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online