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ABA airlines never likes to fly a plane with an empty seat. The flight is from ATL to St. Croix can hold 200 passengers. Past data has shown that 5% of passengers never show for a flight. As a result ABA likes to overbook its flights so that there are no empty seats. What is the largest number of passengers ABA should book so that there is at least a 95% chance that everyone who shows up will get on the plane? Assume that passengers are independent of each other and there is a 5% chance each passenger DOES NOT show up and a 95% chance each passenger DOES show up.
The mean of this sample belongs to a sampling distribution.
Find the mean and median of the transformed heights and convert the mean and median of the transformed data back to the original units.
This video explains the normal distribution via the binomial distribution: The distribution of the number of heads thrown on 20 coins approximates the normal. This is used to explain that the normal distribution is the mathematical consequence of ..
The MPG (Miles per Gallon) for a mid-size car is normally distributed with a mean of 32 and a standard deviation of .8. What is the probability that the MPG for a selected mid-size car would be less than 33.2.
A fair coin is tossed 6 times. What is the probability of getting exactly 3 heads in the 6 tosses?
What proportion of municipal bonds is issued by suburbs and What is the probability that a randomly selected visit will last between 60 and 90 minutes?
The single premium charged for this contract is the expected value plus 20%. What is the probability that the premium will cover the benefits?
What level of confidence did the statistician use in constructing this interval? Explain carefully, showing all steps in your reasoning. Hint: sample proportion is the midpoint of the stated confidence interval.
a student takes a calculus midterm and a history midterm. the mean and standard deviation on the calculus midterm are
She was concerned that the test she wished to perform might have unacceptable large possibilities of Type II error, ß. Which of the following would solve this problem?
the table below shows lifetime peptic ulcer rates per 100 population u for various family incomes x as reported by the
For a national poll on casino visitation, a survey developed by TNS for Harrah's Entertainment was mailed to 100,000 American adults, of whom 57,205
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