Mathematics, 29.02.2020 03:51 nawafcanada
A professor at a university wants to estimate the average number of hours of sleep students get during exam week. The professor wants to find a sample mean that is within 1.939 hours of the true average for all college students at the university with 90% confidence. If the professor knows the standard deviation of the sleep times for all college students is 6.995, what sample size will need to be taken
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Answer this question i need as soon as possible
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Suppose m: angle a =77 degrees what is the measure of a complement of a complement of angle a, what is a conclusion you can draw about a complement of a complement of an angle
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Mathematics, 22.06.2019 02:10, kinqlouiee2253
Of jk j(–25, 10) k(5, –20). is y- of l, jk a 7: 3 ? –16 –11 –4 –1
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