Mathematics, 12.10.2019 02:10, Marmama23
The mean hours of sleep that students get per night is 5 hours, the standard deviation of hours of sleep is 1 hour, and the distribution is approximately normal. complete the following sentence. for about 68% of students, nightly amount of sleep is between hours. for about 95% of students, nightly amount of sleep is between hours. for about 99.7% of students, nightly amount of sleep is between hours.
Answers: 3
Mathematics, 21.06.2019 19:30, noahdeem135
Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin. how many doctors use brand x aspirin
Answers: 1
Mathematics, 21.06.2019 21:30, allisonboggs85
Two airplanes start at the same place and travel in opposite directions, one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?
Answers: 1
Mathematics, 21.06.2019 21:30, camdenmorrison
At the county fair, the baxter family bought 6 hot dogs and 4 juice drinks for $12.90. the farley family bought 3 hot dogs and 4 juice drinks for $8.55. find the price of a hot dog and the price of a juice drink.
Answers: 1
The mean hours of sleep that students get per night is 5 hours, the standard deviation of hours of s...
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