Question

Assume that on the average 1 telephone number out of 15 c
a week day is busy. What is the probability that if 6 randomly sele.
i) not more than 3 will be busy ii) at least 3 of them w
if 10% of bolts produced by a machine are defective. De
number out of 15 called between 2 pm and 3pm o
he probability that if 6 randomly selected numbers are called
") at least 3 of them will be busy.
re defective . Determine the proba
t out of
defective.​

Answer 1

[Tex]\color{Red}{Hii}[\tex]