Author Question: Of the last 500 customers entering a supermarket, 50 have purchased a wireless phone. If the ... (Read 78 times)

codyclark · **on:** Jun 24, 2018

Of the last 500 customers entering a supermarket, 50 have purchased a wireless phone. If the relative frequency approach for assigning probabilities is used, the probability that the next customer will purchase a wireless phone is
a. 0.10 c. 0.50
b. 0.90 d. None of these choices.

Question 2

If P(A) = 0.4 and P(B) = 0.6, then A and B must be mutually exclusive.
Indicate whether the statement is true or false