11, Find the probability for the following a. Dawson\'s Repair Service orders pa
ID: 3059614 • Letter: 1
Question
11, Find the probability for the following
a. Dawson's Repair Service orders parts from an electronic company, which advertises its parts to be no more than 10% defective. What is the probability that Bill Dawson finds 11 or more parts out of a sample of 50 to be defective? Use Appendix B.1 for the z-values. (Round the z-value to 2 decimal places and the final answer to 4 decimal places.)
b. Dawson's repair advertises its parts to be no more than 2% defective. What is the probability that Bill Dawson finds 9 or more parts out of a sample of 200 to be defective? Use Appendix B.1 for the z-values. (Round the z-value to 2 decimal places and the final answer to 4 decimal places.
a. Dawson's Repair Service orders parts from an electronic company, which advertises its parts to be no more than 10% defective. What is the probability that Bill Dawson finds 11 or more parts out of a sample of 50 to be defective? Use Appendix B.1 for the z-values. (Round the z-value to 2 decimal places and the final answer to 4 decimal places.)
b. Dawson's repair advertises its parts to be no more than 2% defective. What is the probability that Bill Dawson finds 9 or more parts out of a sample of 200 to be defective? Use Appendix B.1 for the z-values. (Round the z-value to 2 decimal places and the final answer to 4 decimal places.
Explanation / Answer
a) P(x>11)
Use Excel Binomial function
1-BINOM.DIST(10,50,0.10,TRUE)
= 0.4164
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