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Assume that the number of new visitors to a website in one hour is distributed as a Poisson variable. The mean number of new visitors to the website is 4.0 per hour. What is the probability that in any given hour
a. zero new visitors will arrive at the website?
b. exactly one new visitor will arrive at the website?
c. two or more new visitors will arrive at the website?
d. fewer than three new visitors will arrive at the website?
What might you conclude from examining the differences in the mean, median and mode for these three data sets? For data set three, which measure of central tendency is the least appropriate? The most appropriate?
For the data, F=0.46 and the P-value equals 0.63. What can you conclude? d. What were the assumptions on which ANOVA was based? Which assumption is the most important?
What is the probability there will be between 10 and 14 calls inclusive arriving at the company in the next 15 minutes?
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jude is interested in buying a digital camera. he visited 9 stores at random and recorded the price of the particular
An independent financial advisor claims an average rate of return, μ, on a particular investment is at least 7%. In testing her claim, the correct pair of hypotheses is:
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a sports card company produces many cards a year both high and low end. an amateur statistician has decided to estimate
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A sample of size 36 results in a sample mean of 7.1. The value of the test statistic is ____
question without writing them all out what is the number of subsets of set a tongue ear mouth eye nose cheek forehead
translate the statement into a confidence interval for p. approximate the level of confidence.in a survey of 1000 u.s.
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