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A salesperson has probability 0.15 of making a sale to any customer, and different customers are independent. The salesperson receives $100 per day and $50 per successful sale. There are 30 customers on a given day. What is the salesperson’s expected gross pay and the standard deviation of the salesperson’s gross pay for that day?
If its weekly cost function is C(x)=68,000+150x, how should the manufacturer set the size of the rebate in order to maximize its profit?
use zero through third order of taylor series expansions to predict f2 for the functionfx 25x3-6x27x -88use a base
At the .05 significance level, can we conclude that there is a difference in their mean times?
Effective on 80% of women and 65% of men. it is known that 66% of the people who take drug are women. That is the probability that the drug is effective?
a newspaper article about the results of a poll states in theory the results of such a poll in 99 cases out of 100
Analyse sample variances in order to find which test would likely be most appropriate to employ to test the equality of the population means, pooled or unpooled?
a researcher conducted a study on the effects of stress on migraines. the researcher computed the number of migraines
An olympic archer is able to hit the bull's-eye 70% of the time. Assume each shot is independent of the others. If she shoots 6 arrows, what is the probablitly that she never misses?
assume that the mean hourly cost to operate a commercial airplane follows the normal distribution with a mean of 2275
use the given information to find the minimum sample size required to estimate an unknown population mean. how many
Complementation to describe each of the following events in terms of A1, A2, and A3, draw a Venn diagram, and shade the region.
Collapse the response categories in the following tables so that it meets the assumptions of the chi-square test; than perform the test.
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