Find the Indicated Probability

Multiple Choice

Find the indicated probability.
-A company manufactures calculators in batches of 55 and claims that the rate of defects is 5%. Find the probability of getting exactly 3 defects in a batch of 55 if the rate of defects is 5%. If a store receives a batch of 55
Calculators and finds that there are 3 defective calculators, do they have any reason to doubt the company's
Claimed rate of defects?

A) 0.237; No. If the rate of defects is really 5%, it is not so unlikely to find 3 defects in a batch of 55 calculators.
B) 0.0180; Yes. If the rate of defects is really 5%, the probability of finding 3 defects in a batch of 55 calculators is very small.
C) 1.37; No. If the rate of defects is really 5%, it is not so unlikely to find 3 defects in a batch of 55 calculators.
D) 0.228; No. If the rate of defects is really 5%, it is not so unlikely to find 3 defects in a batch of 55 calculators.