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Are people who live at higher altitudes slimmer?
Random samples were obtained for 125 adults living in Denver, Colorado (the Mile High City), and 150 adults living in New Orleans, Louisiana (where the mean elevation is zero feet above sea level). Using body mass index as a measure of obesity, 38 of those living in Denver and 61 of those living in New Orleans were classified as obese.
Is there any evidence to suggest that the people living in Denver are thinner? That is, is there any evidence to suggest that the proportion of adults classified as obese in Denver is less than the proportion of adults classified as obese in New Orleans? Use a = 0.05.
for a population with micro 40 and s 7 find the -score for each of the following x values. note you probably will need
Calculate the average of deposits per bank for FDIC- inured institutions during both time periods and describe the relationship between the two averages. Provide a reason for the difference.
1.a researcher is interested in comparing sat scores for students enrolled in public schools private schools and those
Suppose a randomly selected semiformal wedding has at least four bridesmaids. What is the probability that it has exactly six bridesmaids?
the average number of tadpoles per gallon of water in rocky mountain national park is believed to be 13 and is normally
Let X and Y be random variables such that var (X) = 4, var ( Y) = 2, and var (X + 2Y) = 15. Determine the correlation coefficient of X and Y.
Let Yk denote the number of failures between successes k-1 and k of a Bernoulli(p)random process. Also, let Y1 denote the number of failures before the first success. What is the PMF PYk (y)? Is Yk an iid random sequence?
On a given day, the bakers at Mary Custard's found that they had 150 pounds of flour, 500 eggs, 90 pounds of sugar, and 120 pounds of fruit mixture with which to make pies. a. Formulate and solve a linear program that will give the optimal producti..
a producer of a cartain type of electronic component ships to suppliers in lots of twenty. suppose that 60 of all such
If the salary and compa mean tests in questions 2 and 3 provide different results about male and female salary equality, which would be more appropriate to use in answering the question about salary equity - how do you interpret the results and what ..
Given any of these hands, you are allowed to roll again any dice that unmatched. Find your repective chances of improving your hand for the different initial holding (ignoring "improvements" such as turning (KKKQJ) to (KKKA9).
suppose a coin having probability 0.7 of coming up heads is tossed three times. let x denote the number of heads that
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