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For boys, the average number of absences in the first grade is 15 with a standard deviation of 7; for girls, the average number of absences is 10 with a standard deviation of 6.
In a nationwide survey, suppose 100 boys and 50 girls are sampled. What is the probability that the male sample will have at most three more days of absences than the female sample?
(A) 0.025 (B) 0.035 (C) 0.045 (D) 0.055 (E) None of the above
Assuming air resistance is negligible, the rocket is launched from a height of 2 feet, and the maximum height attained by the water rocket is 66 feet, determine the initial velocity of the rocket. That is, find the velocity of the rocket at the mo..
Which of the following is not a source of technological advancement for a producer? better trained workers, more efficient physical capital, higher skill level of managers or outsourcing some aspect of production
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Use the following information to answer the next three exercises: A Lake Tahoe Community College instructor is interested in the mean number of days Lake Tahoe Community College math students are absent from class during a quarter.
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Find the general solution to the differential equation: t2dy/dt+t(t+2)y=et t>0
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