Mathematics, 27.02.2020 21:58 kyleereeves2007
According to the Bureau of Transportation Statistics, 81.9% of American Airlines flights were on time in 2017. Assume this percentage still holds true for American Airlines. For the next 40 flights from American Airlines, use the normal approximation to the binomial distribution to complete parts a through d.
a. Determine the probability that fewer than 34 flights will arrive on time.
b. Determine the probability that exactly 32 flights will arrive on time.
c. Determine the probability that 25, 26, 27, or 28 flights will arrive on time.
d. Determine the probability that 28, 29, 30, 31, or 32 flights will arrive on time.
Answers: 1
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Mathematics, 21.06.2019 19:30, 100738
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As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is
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According to the Bureau of Transportation Statistics, 81.9% of American Airlines flights were on tim...
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