Find the requested probability.A fair coin is tossed 5 times. What is the probability of exactly 2 heads?

A. 0.3125
B. 0.1250
C. 0.0313
D. 0.0625


Answer: A

Mathematics

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Use the choices below to fill in the blank. Choices may be used more than once or not at all. A formula for calculating a combination of n items taken r at a time is .

A.
B.
C.
D.

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Sketch the graph of the curve by plotting points.x = 3 cos ?, y = - 3 sin ?;   ? ? ? 

A.

B.

C.

D.

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Find the function value.Let g(x) = . Find g(-12.25).

A. 1
B. - 
C.
D.

Mathematics

Simplify.48 ÷ 0 + 24

A. 2 B. 72 C. 24 D. undefined

Mathematics