Mathematics, 04.07.2020 14:01 ejuarez2020
The time a student sleeps per night has a distribution with mean 6.3 hours and a standard deviation of 0.6 hours. Find the probability that average sleeping time for a randomly selected sample of 42 students is more than 6.5 hours per night. (round to 4 decimal places)
Answers: 3
Mathematics, 21.06.2019 16:00
Pls will give brainliest and all p.s u can zoom in if u cant see plss
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Mathematics, 21.06.2019 19:30
Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ÌŠ. how far is the man from the base of the bridge tower? with explanation and pictures .
Answers: 1
Mathematics, 22.06.2019 01:00
Anew landowner is interested in constructing a fence around the perimeter of her property. her property is 1,080√30 feet wide and 500√20 feet long. what is the perimeter of the property? (recall that the perimeter is the sum of each side of a shape or boundary). a 1,580√40 feet b. 5,320√5 feet c. 3,160√20 feet d. 10,640√5 feet
Answers: 3
The time a student sleeps per night has a distribution with mean 6.3 hours and a standard deviation...
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