A watch manufacturing factory puts its watches through two quality control stages. The probability a watch will pass the first stage is .99. If it passes the first stage, the probability it passes the second stage is .98. Today, 40 watches were manufactured. What is the probability that exactly 38 watches pass both quality control stages? .141 O .158 .219 .298 .333 What is the variance of the number that pass both stages? O 1.00 O 1.03 1.08 O 1.16 O 1.25 We want to find the probability that 37 or fewer watches pass both stages. Use an appropriate approximate method to find that probability. 0.119 .219 .250 .287 O .332

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A watch manufacturing factory puts its watches through two quality control stages. The probability a
watch will pass the first stage is .99. If it passes the first stage, the probability it passes the second
stage is .98. Today, 40 watches were manufactured.
What is the probability that exactly 38 watches pass both quality control stages?
.141
O .158
.219
.298
.333
What is the variance of the number that pass both stages?
O 1.00
O 1.03
1.08
O 1.16
O 1.25
We want to find the probability that 37 or fewer watches pass both stages. Use an appropriate
approximate method to find that probability.
0.119
.219
.250
.287
O .332
Transcribed Image Text:A watch manufacturing factory puts its watches through two quality control stages. The probability a watch will pass the first stage is .99. If it passes the first stage, the probability it passes the second stage is .98. Today, 40 watches were manufactured. What is the probability that exactly 38 watches pass both quality control stages? .141 O .158 .219 .298 .333 What is the variance of the number that pass both stages? O 1.00 O 1.03 1.08 O 1.16 O 1.25 We want to find the probability that 37 or fewer watches pass both stages. Use an appropriate approximate method to find that probability. 0.119 .219 .250 .287 O .332
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