Author Question: A manufacturer of golf balls uses a production process that produces 10 percent defective balls. A ... (Read 112 times)

james0929 · **on:** Jul 24, 2018

A manufacturer of golf balls uses a production process that produces 10 percent defective balls. A quality inspector takes samples of a week's output with replacement. Using the cumulative binomial probability table available in your text, the inspector can determine which of the following probabilities?
a. If 5 units are inspected, the probability of at most 3 of these units being defective is .984.
b. If 10 units are inspected, the probability of 5 or 6 of these units being defective is .002.
c. If 15 units are inspected, the probability of at least 10 of these units being defective is .547.
d. If 20 units are inspected, the probability of at least 19 of these units being defective is .0009.

Question 2

Analysis of linear dependency between two variables uses two measures: covariance and the coefficient of linear correlation.
Indicate whether the statement is true or false