1)If a random variable has a standard normal distribution, _____ A)the mean is 0 and the standard deviation is 0 B)the mean is 1 and the standard

B)the mean is 1 and the standard deviation is 0

C)the mean is 0 and the standard deviation is 1

D)the mean is 1 and the standard deviation is 1

2)The Greensboro Convention & Visitors Bureau has determined that across all hotels in the Triad region, the price for a one-night stay follows a normal distribution with mean $143 and standard deviation $38. What is the probability that a randomly chosen hotel charges $143 per night?

A)1

C)0

D)0.5

D)There is not enough information to determine this 

9)A sampling distribution is the probability distribution of a _____.

A)sample

B)population

C)sample statistic

D)population parameter