There are four colors in a bag containing 500 plastic chips. It is known that 28% of the chips are green. On average, how many chips from a random sample of 50 (with replacement) would be
Expected to be green?
A) 28
B) 14
C) 18
D) Not enough information to determine expected value.

Question

Quizplus · Accepted Answer

The expected number of green chips in a sample of 50 is calculated by multiplying the probability of a chip being green (28% or 0.28) by the sample size (50). Thus, 0.28 * 50 = 14.

There Are Four Colors in a Bag Containing 500 Plastic