Author Question: The likelihood that someone who logs onto a particular site in a shopping mall on the Internet will ... (Read 125 times)

audie · **on:** Jun 24, 2018

The likelihood that someone who logs onto a particular site in a shopping mall on the Internet will purchase an item is 0.05 and follows the binomial distribution. If the site has 35 people accessing it in the next hour, what is the expected number of successes during this hour?
a. 1.75
b. 2.5
c. 0.05
d. 12
e. 35

Question 2

The variance of a binomial distribution for which n = 75 and = 0.20 is:
a. 375.
b. 75.
c. 15.
d. 12.