Alex is selling tickets to a school play. An adult ticket costs $6.50 and a student ticket costs $4.00. Alex sells x adult ticke
2 answers:
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<h2>Answer with explanation:</h2>
Given : The probability that telephone bills mailed to house-holds in Hong Kong are incorrect.=0.01
<h2>Binomial distribution :-</h2>
If a sample of 10 bills is selected, then the probability that at least one bill will be incorrect :-
Hence, the probability that at least one bill will be incorrect =0.6513
<h2>Poisson distribution: </h2>
Mean :
Then , If a sample of 10 bills is selected, then the probability that at least one bill will be incorrect :-
Hence, the probability that at least one bill will be incorrect =0.6321