A manufacturing machine has a 45% defect rate. If 129 items are chosen at random, answer the following. a) Which is the correct wording for the random variable? Select an answer b) Pick the correct symbol: n v 129 3D c) Pick the correct symbol: p v =0.45

College Algebra
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ISBN:9781337282291
Author:Ron Larson
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Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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A manufacturing machine has a 45% defect rate. If 129 items are chosen at random, answer the following.
a) Which is the correct wording for the random variable?
Select an answer
b) Pick the correct symbol: n v
129
c) Pick the correct symbol: p
0.45
d) What is the probability that exactly 55 of them are defective?
Round final answer to 4 decimal places.
e) What is the probability that less than 55 of them are defective?
Round final answer to 4 decimal places.
f) What is the probability that more than 55 of them are defective?
Round final answer to 4 decimal places.
g) What is the probability that exactly 56 of them are defective?
Round final answer to 4 decimal places.
h) What is the probability that at least 56 of them are defective?
Round final answer to 4 decimal places.
i) What is the probability that at most 56 of them are defective
Round final answer to 4 decimal places.
Transcribed Image Text:A manufacturing machine has a 45% defect rate. If 129 items are chosen at random, answer the following. a) Which is the correct wording for the random variable? Select an answer b) Pick the correct symbol: n v 129 c) Pick the correct symbol: p 0.45 d) What is the probability that exactly 55 of them are defective? Round final answer to 4 decimal places. e) What is the probability that less than 55 of them are defective? Round final answer to 4 decimal places. f) What is the probability that more than 55 of them are defective? Round final answer to 4 decimal places. g) What is the probability that exactly 56 of them are defective? Round final answer to 4 decimal places. h) What is the probability that at least 56 of them are defective? Round final answer to 4 decimal places. i) What is the probability that at most 56 of them are defective Round final answer to 4 decimal places.
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