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In 2003, it was reported that 40% of all car accidents in Connecticut were alcohol related. Suppose we take a random sample of 100 car accidents in Connecticut and let X be the number that are alcohol related.
A) Find the probability that fewer than 36 were alcohol related.
B) Find the probability that between 30 and 50, inclusive, were alcohol related.
C) Find the probability that at least 40 were alcohol related and at least 40 were not alcohol related.
The following data represents the running time of films produced by 2 motion picture companies. Assume these are independent samples
Description of data collection and analysis methods (how do you choose people for survey? Sampling plan or any others) Survey on according to the Australian market
Suppose that this firm operates in a perfectly competitive market. If the market price in this perfectly competitive market is $11 how much output would the firm choose to produce? How much profit/loss would they earn
Each of these systems functions, independently of the others, with probability 0.98. As long as at least one of these systems is functioning, this shuttle Component functions successfully.
Trauma center
The amount of money spent by a customer is uniformly distributed over (0, 100). Find the mean and variance of the amount of money that the store takes in on a given day.
At a recent meeting of educational researchers comparison were made between the type of college freshmen attend and the numbers who drop out. Use a significance level of .05 and determine if the type of school and the drop out rate are independent.
The probability of Toyota building a new production plant is 70% and the probability of GM building a new one is 50%. The following are the probabilities associated with the countries Toyota would build a new plant:
Examine the claim of the health plan, assume further that we collected data depicting the lengths of stay of 40 patients who were hospitalized recently with coronary heart disease.
a study of the time spent shopping in a supermarket for a market basket of 20 specific items showed an approximately
suppose that 75 of adult americans agree that while downloading music from the internet and then selling it is piracy
a lab is comparing a test drug to a standard drug that is useful to patients having high blood pressure. the standard
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