If we want to provide a 95 confidence interval for the mean of a population, the confidence coefficient is _____.
a. .485
b. 1.96
c. .95
d. 1.645
Question 2
The travel time for a college student traveling between her home and her college is uniformly distributed between 40 and 90 minutes. What is the random variable in this experiment?
a. Uniform distribution
b. 40 minutes
c. 90 minutes
d. Travel time