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For a certain musician, his favorite brand of guitar picks is far more likely to chip accidentally (and become useless) than to wear out. He drops by his local music shop to buy another one whenever his pick chips, on average 3 times a year. The shop has 4picks in stock, in addition to the one he is using.
What are the average and standard deviation of the time (in months) until he goes to the shop and discovers they will have to order the pick he wants?
What is the probability that, 1.5 years from now, he will still have a usable pick without having had to order more?
A certain state lottery awards 418 prizes; 28-$200 prizes, 120-$25 prizes and 270-$20 prizes, for every 10,000 tickets sold.
confidence interval estimate for the meandata nbspsample standard deviationnbsp1.9667sample meannbsp 20.73sample
Find the expected value when you pick 4 and when you pick 5, betting $1 each time. Based on your results from parts a and b, are you better off picking 4 numbers or picking 5? Explain your reasoning.
Apply Scheduling Theory in order to optimize a schedule of events and reduce lost productivity
Advertising coefficient is 200 and t stat is 1.75. Which of the following statements is an accurate interpretation of the situation when using an alpha of .10
We are interested in determining whether or not the population in favor of Candidate A is significantly more than 75%. The test statistic is?
an automobile manufacturer is concerned about a fault in the braking mechanism of a particular model. the fault can on
A random sample of 600 high school boys showed that 40 had taken diet pills during the past 30 days to lose weight. Verify necessary data conditions for a z-statistic and calculate the z-statistic
would this prove that they are exceeding their goal, using α = .025?
An exam consists of 10 true or false questions. If a student guesses at every answer, what is the probability that he or she will answer exactly six questions correctly? (Round the answer to three decimal places)
there are 4000 mangoes in a shipment. it is found that it has a mean weight of 15 ounces with a standard deviation of
To estimate the average time it takes to assemble a certain computer component, the industrial engineer at an electronic firm timed 40 technicians in the performance of this task, getting a mean of 12.73 minutes and a standard deviation of 2.06 mi..
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