Quiz2 - STA 2023 - Quiz 1 / Summer A 2011 June 8th, 2011...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
STA 2023 - Quiz 1 / Summer A 2011 June 8th, 2011 There will NOT be any partial credit for the multiple choice questions. Good luck! Name: UFID: Formulas: If X Bin ( n,p ), then E ( x ) = μ = np and standard deviation = σ = q np (1 - p ) Binomial PMF: P ( X = a ) = ± n a ² p a (1 - p ) n - a for a = 1 , 2 , 3 ,...,n Choose function: ± n k ² = n ! k !( n - k )! Standard Error of ˆ p = q p (1 - p n Standard Error of ¯ X = σ n Each question is worth the same. 1. In the NBA playoffs, Jason Kidd has averaged 7.4 assists per game with a standard deviation of 2.89. Suppose Kidd’s assists per game are normally distributed. Find the probability that in his next game, Jason Kidd gets more than 8 assists. (a) 0.208 (b) 0.421 (c) 0.579 (d) 0.643 2. Find the 20th percentile of Jason Kidd’s assists per game. (a) 0.208 (b) -0.84 (c) 1.48 (d) 4.97 1
Background image of page 1

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

View Full DocumentRight Arrow Icon
3. Suppose I have 10 cookies, 3 chocolate chip, 3 peanut butter, 2 snickerdoodle, and 2 oatmeal raisin. Find the expected number of chocolate chip cookies that I will get if I
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/15/2011 for the course STA 2023 taught by Professor Ripol during the Spring '08 term at University of Florida.

Page1 / 3

Quiz2 - STA 2023 - Quiz 1 / Summer A 2011 June 8th, 2011...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online