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At a major International Airport, 0.30 of the flights arrive on time. A sample of 13...

At a major International Airport, 0.30 of the flights arrive on time. A sample of 13 flights is studied. What is the probability that more than 3 of them arrived on time?

Write only a number as your answer. Round to 2 decimal places (for example 0.24). Do not write as a percentage.
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Answer #1

Solution :

Given that ,

n = 13

p = 0.30

The probability that more than 3 of them arrived on time is ,

P(x > 3)

= 1 - BINOM.DIST(3,13,0.3,TRUE) [Excel formula]

= 0.58

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