Suppose it is known that a company completes a certain type of order in average of...

 

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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 from the first type and 40 from the second type, what is the probability that the average time to complete the task of the type I will be more than 20 minutes from the type 2? O 0.9654 O 0.1093 O 0.3121 O 0.0003 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 from the first type and 40 from the second type, what is the probability that the average time to complete the task of the type I will be more than 20 minutes from the type 2? O 0.9654 O 0.1093 O 0.3121 O 0.0003