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Past experience indicates that an average number of 6 customers per hour stop for gasoline at a gasoline pump.
(a) What is the probability of 3 customers stopping in any hour?
(b) What is the probability of 3 customers or less in any hour?
(c) What is the expected value, or mean, and standard deviation for this distribution?
A window is in the shape of a square of side s, with a semicircle of diameter s above it. Write a function that expresses the total area of the window as a function of s.
an average computer mouse inspector can inspect 55 mice per hour with a population standard deviation of 14 mice per
the common stock of flavorful teas has an expected return of 19.65 percent. the return on the market is 14.5 percent
What is the probability that the next two tracts sold will be in Newburg Woods? What is the probability that of the next four sold at least one will be in Holly Farms? Are these events independent or dependent?
the pearson product-moment correlation coefficient r requires that variables be measured with .a. an interval or ratio
Use a Normal approximation to find the probability that 75% or more of the women in the sample have been on a diet.
You have a graph with a regression line that is positively sloped. The regression line starts with observation points tightly packed around the regression line but as you move across the x-axis the observations tend to get further and further away..
a sample of 40 los angeles pharmacies sells the tamiflu 75mg prescription drug for about 137 for a moth supply s 30.2
you are going to toss a coin repeatedly in successive trials until you get a head for the first time and then you are
An unpooled variance t-statistic, if appropriate, would have 7 degrees of freedom. Calculate the value of an appropriate test statistic. Construct the rejection region.
the formula for a regression equation based on a sample size of 25 observations is y2x9a what would be the predicted
assume that a simple random sample has been selected from a normally distributed population and test the given claim.
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