VTE telephone operators are assigned to handle all 411 calls. The mean time to r

Question

VTE telephone operators are assigned to handle all 411 calls. The mean time to respond to a caller is 30 seconds with a standard deviation of 5 seconds. Use 4 place places of accuracy. what is the probability that your car will be handled in class less than 27 seconds VTE telephone operators are assigned to handle all 411 calls. The mean time to respond to a caller is 30 seconds with a standard deviation of 5 seconds. Use 4 place places of accuracy. what is the probability that your car will be handled in class less than 27 seconds VTE telephone operators are assigned to handle all 411 calls. The mean time to respond to a caller is 30 seconds with a standard deviation of 5 seconds. Use 4 place places of accuracy. what is the probability that your car will be handled in class less than 27 seconds

Explanation / Answer

From information, Xbar=30, s=5, Xi=27

P(X<27)=P[Z<(Xi-Xbar)/s]=P[Z<(27-30)/5]=P(Z<-0.6)=0.2743

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