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The average salary of a male full professor at a public four-year institution offering classes at the doctoral level is $99628. For a female full professor at the same kind of institution, the salary is $90330. If the standard deviation for the salaries of both genders is approximately $5200 and the salaries are normally distributed, find the 90th percentile salary for male professors and for female professors.
a study by becker associates a san diego travel consultant found that 30 of the traveling public said that their
What percent of the Fords traveled 62.000 miles or less during the year?
the average age for licensed drivers in a county is micro 42.6 ? 12 and the distribution is approximately normal. a
Is this statistically significant evidence that the true mean diameter is greater than 20 millimeters? Set up the hypothesis, and enter your P-value below, rounded to four decimal places.
question during the past 10 years minnesota pollution control agency has measured the concentration of chlorophyll-a
Biting an unpopped kernel of popcorn hurts! As an experiment, a self-confessed connoisseur of cheap popcorn carefully counted 773 kernels and put them in a popper.
nineteen customers have placed service calls to obtain atampt u-verse. the maintenance technician can only service ten
professor jennings claims that only 35 of the students at flora college work while attending school. dean renata thinks
a population has mu100 and sigma20. if you select a single score from this population on the average how close would it
researchers collected data from a random sample of men and women to determine if women spend more time doing housework
an american roulette wheel has 38 slots 18 are red 18 are black and 2 are green. let r be the number of spins until you
At the .10 significance level, can she conclude that the mean daily expenses are greater for the sales staff than the audit staff? What is the p-value?
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