A government's department of transportation reported that in 2009, airline A led all domestic airlines in...

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A government's department of transportation reported that in 2009, airline A led all domestic airlines in...

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 82.9%. Complete parts a through e below.

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

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

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

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

math Statistics-And-Probability

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Answer 1

Answer #1

Anstaer Given P-o 826 9 1-P 1-6.826 = 0 174 Wing Binomial distobution PC-) nCo 6-4 Por-u)6826)* (o174) SXO4655030276) O.U1U P C) PCK24 PCXu)PC-S) + PCx6 0.9304 mean OP 6x0-826 4.956 Standaond devioabian np-P) 6X0826x011 0.9286 please like if it helps

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Answer 2

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