Find the indicated probability.
-A bin contains 64 light bulbs of which 10 are defective. If 5 light bulbs are randomly selected from the bin with replacement, find the probability that all the bulbs selected are good ones. Round to the nearest thousandth if
Necessary.
A) 0.484
B) 0.844
C) 0
D) 0.428

Question

Quizplus · Accepted Answer

The probability of selecting a good bulb on any one trial is 54/64. Since replacement is allowed, the 5 trials are independent, so the probability of selecting 5 good bulbs is (54/64)^5 = 0.428 (rounded to three decimal places). Therefore, the correct choice is D.

Find the Indicated Probability