Answer:
Step-by-step explanation:
Let X be the no of customers who purchase atleast one item.
X is binomial since there are two outcomes and each customer is independent of the other.
a) Here n =10
Out of 10 customers we expect np = 3 customers to buy at least one item.
b) exactly 3 of the customers would purchase at least one item
=
c) the probability that no more than 3 customers would purchase at least one item
=
Answer:
A baseball player hit 73 home runs in a season.
Of the 73 home runs, 25 went to right field, 25 went to right center field, 8 went to center field, 10 went to left center field, and 5 went to left field.
(a) the probability that a randomly selected home run was hit to left center field = = 13.69%
(B) Since the probability of an unusual event is 0, it was possible for this player to hit a home run to left center field.