Author Question: The probability that Pete will catch fish when he goes fishing is .8 . Pete is going to fish 3 days ... (Read 146 times)

casperchen82 · **on:** Jun 24, 2018

The probability that Pete will catch fish when he goes fishing is .8 . Pete is going to fish 3 days next week. Define the random variable x to be the number of days Pete catches fish. The expected number of days Pete will catch fish is
a. .6
b. .8
c. 2.4
d. 3

Question 2

The symbol used for the variance of the sample is
a. .
b. 2.
c. s.
d. s2.