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The manufacturer of a low-calorie dairy drink wishes to compare the taste appeal of a new formula (formula B) with that of the standard formula (formula A). Each of four judges is given three glasses in random order, two containing formula A and the other containing formula B. Each judge is asked to state which glass he or she most enjoyed. Suppose that the two formulas are equally attractive. Let Y be the number of judges stating a preference for the new formula.
a Find the probability function for Y .
b What is the probability that at least three of the four judges state a preference for the new formula?
c Find the expected value of Y .
d Find the variance of Y.
Compute the sample correlation coefficient between the two variables. Conduct a test, using an alpha value of 0.05, to determine whether the population correlation coefficient is significantly different from zero.
the pizza shop wanted to determine what proportion of its customers ordered only cheese pizza. out of the 80 customers
A study regarding the relationship between age and the amount of pressure sales personnel feel in relation to their jobs revealed the following sample information.
What is the standard deviation of expected returns for Stock X? For Stock Y?
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Compute the Relative Risk of coronary artery disease in patients receiving the new medication as compared to placebo and compute the Odds Ratio of coronary artery disease in patients receiving the new medication as compared to placebo
If I have a set of values(direct measurements of dynamic deformations of a road at 100m) between 3 and~1000, how can I calculate the 2 characteristical values wich limits the interval including 85,95% of all possible measurements on this road? Using ..
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last fall a sample of n 30 freshman was selected to participate in a new 4-hour training program designed to improve
Only 3 reported that their health was excellent. Find the probability that when 13 adults are randomly selected, 3 or fewer are in excellent health.
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