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An LG Dishwasher, which costs $800, has a 20% chance of needing to be replaced in the first 2 years of purchase. A two-year extended warranty costs $112.10 on a dishwasher. What is the expected value of the extended warranty assuming it is replaced in the first 2 years?
The time it takes a student to finish a electronics test has a uniform distribution between 50 and 70 minutes.
The library is to be given 3 books as a gift. The books will be selected from a list of 16 titles. If each book selected must have a different title, how many possible selections are there.
What is the probability that a random sample of 49 different one-hour shopping periods will yield a sample mean between 441 and 446 shoppers - Explain why the assumption of normality about the distribution of wages was not involved in the solutions ..
suppose you have a histogram that shows relative frequency. how do you calculate the proportion of the sample that lies
If four containers are randomly selected what is the probability they are all underfilled.
Which major? About 1.6 million first-year students enroll in colleges and universities each year. What do they plan to study?
Test the hypothesis that the proportion of athletes using supplements is the same at the two centres. State the two hypotheses, the test statistic, P-value, and your conclusion.
Develop a probability tree showing all marginal, conditional, and joint probabilities and what is the probability that a student selected at random failed the test?
Find a 95% confidence interval for the mean number of hours all employees at Liberty Mutual use the Internet for personal reasons.
Please solve the following problem, and provide explanations as to why you get an answer(s) you get in each step.
What is the minimum GPA that qualifies a student to graduate with honors - The mean of the distribution is 2.50 with a standard deviation of 0.5.
FCS 681 Research Methods What is the independent variable and what is the treatment that the researcher will use to manipulate that variable - What is the dependent variable in this study?
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