A set of data items is normally distributed with a mean of 60. Determine the z-score for the data point given, if the standard deviation is as given.data item: 78; standard deviation: 12

A. 5
B. 12
C. 18
D. 1.5


Answer: D

Mathematics

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Solve the problem.If f varies jointly as q2 and h, and f = 36 when q = 3 and h = 2, find q when f = 192 and h = 6.

A. q = 2 B. q = 4 C. q = 6 D. q = 3

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Write the percent problem as a proportion and solve.What is 40% of 500?

A. 200 B. 2 C. 20 D. 2000

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Divide. Express the quotient in lowest terms. ÷ 

A.
B.
C.
D.

Mathematics

Graph the given functions on the same rectangular coordinate system. Describe how the graph of g is related to the graph of f.f(x) = x, g(x) = x + 2

A. g shifts the graph of f vertically up 2 units

B. g shifts the graph of f vertically down 2 units

C. g shifts the graph of f vertically down 2 units

D. g shifts the graph of f vertically up 2 units

Mathematics