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One more pull, Bob tells himself, and i'll win back the money i lost. Bob has been playing at the video slot machine for a few hours. He won $100 in his first few attempts and although he did win a couple of times again, it was only $1 to $5 at a time. Bob tried placing the maximum bet thinking that it might work but even after playing over four hundred times, he hasn't made more than a couple of dollars. In fact he has already last $300
Why does Bob continue to play the video game even after losing $300?
A consumer organization estimates that over a 1-year period 17 percent of cars will require to be repaired once, 7 percent will need repairs twice, and 4 percent will require three or more repairs. What is the probability that a car chosen at rand..
Utilizing the 5% level of significance was there a significant change in cholesterol level. Elucidate your answer to someone who has never ever taken a course in statistics.
Do the sample data present sufficient evidence to reject the manufacture's claim? Test using a a=0.05. What is the p-value of the test.
Evaluate the significance of the hypothesis that the randomized algorithm has a lower average runtime than the known comparison algorithm. As before, explain and list your calculations, test choices, and conclusion drawn.
Explain finding value of test statistic for the given data also interpret the result. Can Mr. Ratter compute which the mean weight of the bags is less than 50 pounds.
At least half the patients are under 15 years old? First, describe how this can be modelled as a binomial distribution with 8 trials, where success is visitor age is under 15 years old and the probability of success is 20 percent.
The mean television viewing time for teens is 3 hours per day. Assume the population mean is 3 and the population standard deviation is known to be 1.2 hours.
Would it be reasonable to conclude that the population distribution is Poisson with a mean of 2.0?
The F-test cannot be used to answer whether or not there is a significant difference between the means.
Analysis of variance- One way classification - Are there differences among these 3 drugs with respect to how long they are retained in the body?
Find out the following probabilities. Probability that exactly 27 items will be good.
Suppose that you select a 50 families sample. Which is the form expected from the distribution of the average or median of the sample?
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