Suppose it is known that a company completes a certain type of order in average of 45 minutes with a standard deviation of 15 minutes and that for a second type need 30 minutes long with a standard deviation of 20 minutes If a manger randomly observes 35 fiom the first lype and 10 from the second type, what is the probability that the average lune to complete the task of the type Ewil be more than 20 minutes from the type 2? O 0.0003 O 03121 0. 1093 0.9654

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Chapter1: Combinatorial Analysis
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Suppose it is known that a company completes a certain type of order in average of 45
minutes with a standard deviation of 15 minutes and that for a second type need 30
minutes long with a standard deviation of 20 minutes If a manger randomly observes 35
fiom the first lype and 40 from the second type what is the probability that the average
lune to complete the task of the type I will be more than 20 minutes from the type 2?
O 0.0003
O 0.3121
O 0 1093
O 0.9654
Transcribed Image Text:Suppose it is known that a company completes a certain type of order in average of 45 minutes with a standard deviation of 15 minutes and that for a second type need 30 minutes long with a standard deviation of 20 minutes If a manger randomly observes 35 fiom the first lype and 40 from the second type what is the probability that the average lune to complete the task of the type I will be more than 20 minutes from the type 2? O 0.0003 O 0.3121 O 0 1093 O 0.9654
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