Government department of transportation

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A? government's department of transportation reported that in? 2009, airline A led all domestic airlines in? on-time arrivals for domestic? flights, with a rate of 83?%.

Complete parts a through e below.

a. What is the probability that in the next six? flights, exactly four flights will be on? time?

The probability is _____________

?(Round to four decimal places as? needed.)

b. What is the probability that in the next six? flights, two or fewer will be on? time?

The probability is _________

?(Round to four decimal places as? needed.)

c. What is the probability that in the next six? flights, at least four flights will be on? time?

The probability is _____

?(Round to four decimal places as? needed.)

d. What are the mean and standard deviation for this? distribution?

The mean of the number of? on-time arrivals is _______

?( Type an integer or a decimal. Do not? round.)

The standard deviation of the number of? on-time arrivals is_________

?(Round to four decimal places as? needed.)

Reference no: EM132139713

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