Activity 1 Solutions 1 . A and B are independent events. Which of the following must be true? (4 pts) a. b. c. d. A and B are mutually exclusive. Ac and Bc are independent. P( A B) = P( A).P( B) None
Activity 2Solutions 1. A random sample of size n = 30 is taken from a population with mean and standard deviation . Which statement is generally correct? (4 pts) a. X is an estimate of ; s is an estim
STAT 380 Group Activity 1 Solutions 1. ( 10 pts)Four cards will be dealt from the top of a well-shuffled deck. You have the choice of two bets: A. Win if you get a club, diamond, heart and spade IN TH
Group Activity 2Solutions 1. (8 pts) Determine which probability distribution best describes each of the following scenarios: (Binomial/Poisson/Normal/Exponential/Uniform/None we have learnt) a. A man
STAT 380, Fall 2010 HW 1 Solutions 1. Solve : a) Ex 1.3 in the book.
219 214 . 205 =209.9 psi 10 Mean_noaging=222.1 psi There are 10 observations, so the median is the average of the 5th and 6th obser
HW 3 Solutions 1. The first digit of a parts serial number is equally likely to be any of one of the digits 0 through 9. Let X be the random variable denoting the first digit of the serial number on a
STAT 380, Fall 2010 HW 2Solutions (Chapters 3 & 4) 1. Let X be a continuous r.v. with probability density function given by f(x) =
x 10 200 0
for 10 x c Otherwise
a. Determine c such that f(x) is a pr