Mathematics, 05.10.2019 11:00 elissadiaz15
According to the sleep foundation, the average night's sleep is 6.8 hours (fortune, march 20, 2006). assume the standard deviation is .4 hours and that the probability distribution is normal. what is the probability that a randomly selected person sleeps more than 8 hours (to 4 decimals)? what is the probability that a randomly selected person sleeps 6 hours or less (to 4 decimals)? doctors suggest getting between 7 and 9 hours of sleep each night. what percentage of the population gets this much sleep (to the nearest whole number)?
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Mathematics, 21.06.2019 18:30
What is coefficient of the term of degree of degree 5 in the polynomial below
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Mathematics, 21.06.2019 21:50
6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution
Answers: 1
Mathematics, 21.06.2019 22:00
The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample
Answers: 1
According to the sleep foundation, the average night's sleep is 6.8 hours (fortune, march 20, 2006)....
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