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A random sample of 100 men produced a total of 25 who favored a controversial local issue. An independent random sample of 100 women produced a total of 30 who favored the issue. Assume that pM is the true underlying proportion of men who favor the issue and that pW is the true underlying proportion of women who favor of the issue. If it actually is true that pW = pM = p, find the MLE of the common proportion p.
A sample of 60 night shift workers showed that the mean number of units produced was 351. At the .05 significance level, is the number of units produced on the night shift larger?
the following data represents the mean august temperature fahrenheit in 20 us cities 64 64 68 69 70 71 71 72 74
a project has the following cash flows. what is the internal rate of return? year 0 1 2 3 cash flow -121000 68150 42200
Probability of fair market is 0.4, and probability of bad market is 0.2, and he wants to maximize his long-run average return. Create the decision table for this problem.
Write the following phrase using symbols. 4 times the sum of m and q. Elaine was charged $195 interest for 1 month on a $1000 credit card balance. What was the monthly interest rate
a researcher conducted an experiment on the effects of a new multivitamin on energy level with a control group received
Find the z-score boundaries that separate a normal distribution as described in each of the following: the middle 20% from the 80% n the tails.
the time it takes to process phone orders in a small gift shop is normally distributed with a mean of 6 minutes and a
13.1: Fitting a straight line to a set of data yields the following prediction line:
If light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard deviation of 500 hours, what percentage of light bulbs have a life less than 2500 hours?
suppose x and y have joint density fxy 1 for 0 lt x y lt 1. find p xy is smaller than or equal to
Then use ogive to estimate median and first and third quartiles. Also utilize it to reply following question: What percent of 60 mutual fund loads are less than 75.
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