Question

The Post Office has established a record in a major midwestern city for delivering 90 percent of its local mail the next working day. If you mail eight local letters, what is the probability that all of them will be delivered the next day?

Answer 1

Answer:4305

Explanation: I have found the rest of your question.

a)1.0

b)4305

c)8131

d)5695

0.4305

90/100 = 0.90

(0.9)^8 = 0.4305

The right answer is b)