subject
Mathematics, 07.11.2020 01:00 gudon986732

the amount of sleep that elementary school children get per night follows a normal distribution with a mean of 9.5 hours and a standard deviation of 0.55 hours. is it unusual for an elementary student to get at least 12 hours of sleep?

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 17:40, samvgesite
Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9
Answers: 3
image
Mathematics, 21.06.2019 18:00, ddavid9361
Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?
Answers: 2
image
Mathematics, 21.06.2019 21:30, happysage12
Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?
Answers: 1
image
Mathematics, 21.06.2019 22:00, foreverrocky12p2asun
Consider the triangle. which shows the order of the angles from smallest to largest? angle a, angle b, angle c angle b, angle a, angle c angle b, angle c, angle a angle c, angle a, angle b
Answers: 3
You know the right answer?
the amount of sleep that elementary school children get per night follows a normal distribution with...

Questions in other subjects:

Konu
Mathematics, 21.07.2019 13:30