Question: 29) The probability that a flight will be delayed is 14%. In 15 randomly selected flights, find the probability that a) six of them are

29) The probability that a flight will be delayed is 14%. In 15 randomly selected flights, find the probability that

a) six of them are delayed

b) at least 7 of them are delayed

c) at most 4 are delayed

d) more than 8 of them are delayed.

e) Find the mean and variance of the number of delayed flights.

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