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The mean and standard deviation on a calculus mid term are 55 and 16 points while they are 65 and 22 on the final. If a student gets 94 points on the midterm, what is the comparable grade on the final?
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In a regression model involving 30 observations, the following estimated regression equation was obtained:
A large bakery buys flour in 25-pound bags. The bakery uses an average of 4,860 bags a year. Preparing an order and receiving a shipment of flour involves a cost of $10 per order. Annual carrying costs are $75 per bag.
The Dean of Students believes that the costs are greater this semester. What is the test value for this hypothesis?
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What is the probablitity that, for a sample of 40 college games to be played next week the mean number of holding penalties will be 2.1 penalties per game or less.
at a certain university 25 of students support the green party. suppose we take samples of size 100 students and are
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