Question

# 1. Suppose that a shipment of 120 electronics components contains 10 defective components. If the control...

1. Suppose that a shipment of 120 electronics components contains 10 defective components. If the control engineer selects 6 of these components at random and test them

a. What is the probability that exactly 3 of those selected are defective? What is the probability that exactly 4 of those selected are not defective?

b. What is the probability that at least 3 of those selected are defective?

c. What is the probability that fewer than 4 selected are not defective?

#### Homework Answers

Answer #1

The probability function of binomial p is given by

p ( X = x ) = ( ncx)

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