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A study is conducted to investigate body mass index (BMI) in children living in urban neighborhoods. The following data are collected. 29 26 24 32 30 22 27 28 31. Compute the median.
Find out the operating characteristics for this system.
On a particular day during the most recent golf tournament, the organizer placed the whole (pin) in 0 back left corner of the green. 64 golfers played the hole with the new placement on that day. Find out the probability of the sample average numb..
Compute the following .r = correlation between x and y = - 0.7 = mean of the values of x = 50.25 = mean of the values of y = 31.77 = standard deviation of the values of x = 15.85 = standard deviation of the values of y = 1.76 The slope of the leas..
Grindit & Floggit Ltd. make customized Widgets at a cost of $150 per unit of which 3% (on average) happen to be out of tolerance. Up to 115 Widgets can be produces in one continuous run whose set up incurs an additional cost of $10 000.
It is found that among a random sample of 130 of the school's students, 32% of them plan to go into general practice. Find the P-value for a test of the school's claim.
At the .01 significance level, can we conclude that there is more variation?
A marketing firm recently studied the number of times men and women who live alone that buy takeout dinners in a month. Two independent samples were taken one with 50 men and 55 women.
let x be an exponentially distributed random variable such that p x gt 3 0.4. find
Determine the coefficient of determination R 2 . Determine standard error of the estimate s e .
a computer retail store has 15 personal computers in stock. a buyer wants to purchase 4 of them. unknown to either the
Find out z values for 29 and 34 hours. What percent of garages take between 32 hours and 34 hours to erect?
find an equation of the tangent plane and find symmetric equations of the normal line to the surface zxy at the point
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