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)?
Answers: 1
Mathematics, 21.06.2019 17:00
Benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r
Answers: 3
Mathematics, 21.06.2019 17:30
Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.
Answers: 1
Mathematics, 21.06.2019 21:20
Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)
Answers: 3
According to the sleep foundation, the average night's sleep is 6.8 hours (fortune, march 20, 2006)....
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