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The mayor of a town has proposed a plan for the construction of a new community. A political study took a sample of 1000 voters in the town and found that 69% of the residents favored construction. Using the data, a political strategist wants to test the claim that the percentage of residents who favor construction is more than 65%. Testing at the 0.02 level, is there enough evidence to support the strategist's claim?
Determine the decision rule for rejecting the null hypothesis, H0.
Findout the probability value for normal distribution. Illustrate the weight of football players is normally distributed with a mean of 200 pounds also a standard deviation of 25 pounds.
If 150 out of a sample of 750 AAUP members own Roth IRAs, is this sufficient evidence to support the claim of the AAUP?
twelve different video games showing substance use were observed and the duration of times of game play in seconds are
Academic degrees and gender. Here are the projected numbers (in thousands) of earned degrees in the United States in the 2010-2011 academic year, classi?ed by level and by the sex of the degree recipient:28
The cholesterol levels of a population have a normal distribution with a mean of 160 and a standard deviation of 30 how you I find the percentage of the population with cholesterol levels above 200.
In a sample of 320 adults, 186 had children. Construct a 90% confidence interval for the true population proportion of adults with children.
Give an example of a perfect sampling frame. Why is a telephone directory usually not an acceptable sampling frame?
If the process is in control at the present values of its parameters, what proportion of the output will be nonconforming, assuming a normal distribution of the characteristic?
If 20 customers were selected at random during one business day, what is the probability that at least 11 of them did not order a pastry with their drink. Round answer to 4 decimal places.
find the mean and variance of the total number of spots obtained when 60 dice are
Calculate a 90% CI for the population proportion of Americans who believe there is intelligent life on other planets.
eleven patients were weighed before and after a diet which was designed to help patients reduce weight. eight of these
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