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Heights of women have a bell-shaped distribution with a mean of 160cm and a standard deviation of 7cm. Using Chebyshev's theorem, what do we know about the percentage of women with heights that are within 2 standard deviations of the mean? What are the minimun and maximun height thats are within 2 standard deviation of the mean?
At least ___ % of women have height within 2 standard deviations of 160 cm?
The minimun heigh is____cm
The maximun heigh is____cm
Two models of a product - Regular (X) and Deluxe (Y) - are produced by a company. A linear programming model is used to determine the production schedule.
if x1 and x2 are independent random variables x1 has a chi-square distribution with 3 degrees of freedom and x1 x2 has
If individual luggage weights are independent, normally distributed rv's, what is the probability that total luggage weight is at most 2500 lb?
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Also find information about blood donations and the percentage of each type donated. How do the charts compare? Why is the collection of type O blood so important?
The accounting department at Weston Materials, Inc., national manufacturer of unattached garages, reports that it takes two construction workers mean of 32 hours and standard deviation of 2 hours to erect the Red Barn model.
the motion picture industry is a competitive business. more than 50 studios produce a total of 300 to 400 new motion
For a given confidence interval, what is the interpretation of a 96% confidence level?
The concessions manager at the Clemson vs. USC football game must decide whether to have the vendors sell sun visors or umbrellas. There is a 30% chance of rain
The administration at the university of Georgia is interested in determining if a parking problem exists for their students. The administration selects a randome sample of 200 students and asks them to estimate the amount of time it took the stude..
a population of 100 healthy men was followed for the development of prostate cancer as described herein after being
you have a 20 sided die that you roll an infinite number of times.what is the probability of rolling any number between
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