Provide an appropriate response.If X is normally distributed with mean ? and standard deviation ?, then what is the approximate probability that ? - 2? ? X ? ? + 2??

A. 0.997
B. 0.68
C. 0.5
D. 0.999
E. 0.95


Answer: E

Mathematics

You might also like to view...

Multiply and simplify.(3 - 3 csc ?)(3 + 3 csc ?)

A. 9 tan2x B. -6 csc2x  C. 9 cot2x  D. - 9 cot2x

Mathematics

 Find the x- and y- intercepts. If there are no intercepts write "No x-intercept" or "No y-intercept".-4x - 2y = 4

A. (0, -3), (0, -8) B. (-3, 0), (-8, 0) C. (-1, 0), (0, -2) D. (-1, -8), (-3, 4)

Mathematics

Provide an appropriate response.Prepare a table showing the percent and decimal equivalents for these fractions: , and .

What will be an ideal response?

Mathematics

Solve.On a map, 1 in. represents 120 miles. How much does   in. represent?

A. 72 mi B. 62 mi C. 200 mi D. 82 mi

Mathematics