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1) A drug tester claims that a drug cures a rare skin disease 85?% of the time. The claim is checked by testing the drug on 100 patients. If at least 82 patients are? cured, the claim will be accepted. Find the probability that the claim will be rejected assuming that the? manufacturer's claim is true. Use the normal distribution to approximate the binomial distribution if possible.
2) Find the area of the indicated region under the standard normal curve. The area between z = 0 and z = 0.9 under the standard normal curve is
1. Name one way in which van motors differ from vane pumps. 2. Can a piston pump be used as a piston motor?
The number of ferromagnetic artifacts for each plot is determined. The variable in this information is number of ferromagnetic artifacts per 100 square meters.
let p1 be the proportion of successes in the first population and let p2 be the proportion of successes in the second
The assumption of independent error terms in regression analysis is often violated when using time series data and is called the problem of Autocorrelation.
tompkins associates reports that the mean clear height for a class a warehouse in the united states is 22 feet. suppose
Perform the significance test at the α = 0.05 level, making sure to report the test statistic, degrees of freedom, and P-value. What is your conclusion?
You read a report saying that people who buy antiques online tend to be more highly educated than people who buy antiques at live auctions.
What does a standard deviation measure? Assume you are a manager of a call center. Customer service phone operators are asked to limit their phone calls to 7 minutes if possible.
a random sample of 16 google managers yields the following information on annual salaries. the sample mean is 69000
Describe a Bayesian network and corresponding queries for computing the following:
Here is a scenario, which uses graphical displays, and your job is to assess accuracy of the result.
The number of false alarms a building fire alarm system registers has a Poisson distribution with a mean of 6 false alarms per year. The variance of the number of false alarms is what?
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