Mathematics, 09.08.2021 03:40 mamaKelly2266
Facespace is a popular form of social media. iecent reports
show that the mean time spent on Facespace is 40 minutes a
day with a standard deviation of 6 minutes a day. The data is
normally distributed.
If 9700 people are on in one sitting, how many of them lie
within three standard deviations below the mean and
one standard deviation above the mean?
Answers: 1
Mathematics, 21.06.2019 16:50
Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.
Answers: 2
Mathematics, 21.06.2019 17:20
Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 β 0.2x = 9.1 d9.1 β 10 = 0.2x
Answers: 1
Mathematics, 21.06.2019 19:20
Which number line represents the solution set for the inequality - x 24?
Answers: 3
Mathematics, 21.06.2019 19:30
Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?
Answers: 1
Facespace is a popular form of social media. iecent reports
show that the mean time spent on Facesp...
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