a-factory-machine-produces-light-bulbs-with-a-9090-success-rate-if-a-quality-ins

Question

A factory machine produces light bulbs with a $90 percent sign$ success rate. If a quality inspector checks $8$ bulbs, what is the probability that

(a) all $8$ bulbs are not defective?

(b) at most $5$ bulbs are not defective?

(c) more than $5$ bulbs are not defective?

Accepted Answer

(a) $90 percent sign$

(b) $8$

(c) $8$

Answer

(a) $90 percent sign$

(b) $0.0381$

(c) $0.9619$

Answer

(a) $90 percent sign$

(b) $8$

(c) $8$

Answer

(a) $90 percent sign$

(b) $8$

(c) $8$

A factory machine produces light bulbs with a 90%90\% success rate. If a quality inspector checks 88 bulbs, what is the probability that(a) all 88 bulbs are not defective?(b) at most 55 bulbs are not defective?(c) more than 55 bulbs are not defective?