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Your firm, which sells a technologically advanced product directly to consumers, has developed a new website that has a scrolling pop-up that prompts someone browsing your site to call a toll-free number to speak directly to a representative who can answer questions. Requests for information account for 75% of calls, while 15% of calls result in an actual order. Also, 10% of calls involve both information requests and order placement.
What is the probability that a call generated an order and did not request information?
What is the probability that a call generated an order, given that it requested information?
Providing information is costly, and yet generated no revenues. Should you halt this service?
Design a calculator simulation to estimate the probability described in (a). Describe your simulation method clearly enough so that a classmate could carry it out without further explanation from you.
1. why is it important to specify the null and alternative hypothesis along with the significance level before the
the computer chips in notebook and laptop computers are produced from semiconductor wafers. certain semiconductor
Determine whether there are differences in the means of the number of cereal leaf beetles, in terms of colour preference, based on the numbers trapped on the different coloured boards.
The MPG (Miles per Gallon) for a mid-size car is normally distributed with a mean of 32 and a standard deviation of .8. What is the probability that the MPG for a selected mid-size car would be less than 33.2?
the weight of a bag of corn chips is normally distributed with a mean of 22 ounces and a standard deviation of
The total blood cholesterol concentrations, in mg/dL, are shown below for a random sample of six people. In the table below, x is the age of the subject and y is the subject's total cholesterol concentration. Find the 95% prediction interval when ..
At the 0.05 level of significance, is there evidence of a difference in the mean waiting times in the four locations? State your null and alternative hypotheses. (Note: while the small sample size could justify use of the non- parametric Kruskal-W..
Determine the first two cumulants also the ratio between the standard deviation and average energy. Explain why distribution becomes extremely narrow.
A drawer contains 11 identical red socks, and 8 identical black socks. Suppose that you choose 2 socks at random in the dark
phone calls arrive at the rate of 48 per hour at the reservation desk for regional airways.a. compute the probability
Find out the correlation among the two variables in the regression. A simple linear regression produced the following computer output.
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