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Find the indicated probability. Round to three decimal places.
An airline estimates that 90% of people booked on their flights actually show up. If the airline books 71 peopleon a flight for which the maximum number is 69, what is the probability that the number of people who show up will exceed the capacity of the plane?
X is a continuous random variable uniformly distributed on [20, 45] that is, the end points c = 20 and d = 45.
Upon reviewing the accounting records from the restaurant, you discover that it grosses roughly $3000 per day on 6 out of 10 days. Determine the estimated probability that the restaurant will gross over $3000:
You are given the following frequency distribution for the number of errors 55 students made in a test:
At 95% confidence, test to determine if more than 21% of the population will like the new soft drink.
Assume that a decision maker wants to estimate a population proportion with 90% confidence and a margin of error of ±0.03. The decision maker has obtained a pilot sample of 10.
Determine the sample size necessary to estimate a population proportion to within .03 with 90% confidence assuming you have no knowledge of the approximate value of the sample proportion.
Show draw a cause-and-effect diagram to organize the possible causes of delayed flight departures into the following maj categories.
Suppose we wish to predict the crawling age of a particular baby when the average outdoor temperature is 25°F six months after birth.
A researcher wants to determine a 95% confidence interval for the mean number of hours that UMKC students spend doing homework per week.
Addition Thermo on Probability - If a man is randomly selected for an interview, what is the chance he will Play football or basketball?
If we wanted to shorten the interval of the estimation of the true mean of Saturday sales to a width of $600 in total, what should the size of our sample be to achieve it?
At the .01 significance level, can we conclude that there is more variation?
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