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The waiting times between a subway departure schedule and the arrival of a passenger are uniformly distrubted btween 0 and 6 minutes. Find the probability that a randomly selected passener has a waiting time less than 0.75 minutes. Find the probability that a randomly selected passenger has a waiting time less than 0.75 minutes.
Simply your answer and round to three decimals.
400 customers of the company and finds that 30 of them are actually not happy about the service. Set up the null and alternative hypotheses to test for the company's claim.
imagine that a student takes a 20-item multiple choice exam. she didnt study so all of her answers are guesses. each
in the department of education at ur university student recooreds suggest that the population of students spends an
Compute the probability that, in a random sample of 500 students, at least 20 lie frequently, assuming the true percentage is 3%.
express each of the following extended sums in the appropriate summation
No, there is not enough information to refuse hypothesis that proportion of male students who live on campus and proportion of female students who live on campus are same as the test value -1.65 is inside acceptance region (-1.96,1.96).
A study is conducted to compare mean cholesterol levels for individuals following a low carbohydrate diet for at least 6 months to individuals following a conventional (low fat, low calorie )diet for at least 6 months.
according to the records of an eletric company sering the boston area the monthly electric consumption during winter
Assume we interested in relationship between the age of individual, as measured by visits. Suppose after selecting 15 members the observation:
By using the 0.10 level of significance, is there evidence that the population mean is above the $300?
data packets are sent over a wireless network at a rate of 10 packets per second. what is the probability that exactly
matt thinks that he has a special relationship with the number 2. in particular matt thinks that he would roll a 2 with
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