{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

347.2009.final

# 347.2009.final - NAME ACSC/MATH 347/447 Final Exam...

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

NAME ACSC/MATH 347/447 Final Exam May 11, 2009 Directions. Show all work. Full credit will not be given unless sufficient work is shown or a suitable explanation given . You may not use the cdf or pdf functions on a calculator in any problem. You may leave binomial coefficients in your answers. Part of the credit for each problem will be for style, readability, and mathematical correctness. The maximum score is 100 points. hours is allowed for the test . 1. (10 points) If A and B are events with P ( A ) = 0.7, P ( B ) = 0.2, and P (A B ) = 0.1, find: a. P ( A B ) b. ܲሺܣ c. P ( A | B ) d. Are A and B independent? You must explain for credit . 2. (10 points) Let Y be the number of spots on the face showing after a biased die is rolled. The table below includes part of the probability function, p ( y ), of the random variable, Y . In each part, in order to receive credit you must write enough to show how you get your answer. a. Find p (6). b. Calculate P ( Y 3). c. Find E (3 Y – 2 ). y 1 2 3 4 5 6 sum p ( y ) 0.1 0.1 0.2 0.2 0.3 3. (12 points) Let Y 1 and Y 2 be continuous random variables with joint density function

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 / 2

347.2009.final - NAME ACSC/MATH 347/447 Final Exam...

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

View Full Document
Ask a homework question - tutors are online