question archive 60The flying time of a drone airplane has a normal distribution with mean 4
60The flying time of a drone airplane has a normal distribution with mean 4
Subject:StatisticsPrice: Bought3
60The flying time of a drone airplane has a normal distribution with mean 4.76 hours and standard deviation of .04 hours. What is the probability that the drone will fly between 4.72 and 4.82 hours?61. A human resource manager is interested in whether absences occur during the week with equal frequency. The manager took a random sample of 100 absences and created the following table:Monday 28Tuesday 20Wednesday 12Thursday 18Friday 22At a significance level of alpha = .05 test the Null that the probabilities of absences are the same for all five days.
