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Mathematics, 14.03.2020 00:27, christhegreat1
A lot of research is conducted on the sleeping habits of U. S. adults. One study reported that X, the amount of sleep per night of U. S. adults follows a normal distribution with mean μ=7.5 hours and standard deviation σ=1.2 hours.
Using the Standard Deviation Rule, what is the probability that a randomly chosen U. S. adult sleeps more than 8.7 hours per night?
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Mathematics, 21.06.2019 19:30, santileiva123199
Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)
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A lot of research is conducted on the sleeping habits of U. S. adults. One study reported that X, th...
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