Standard Deviation Answers

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A =

Answer:

1/4

B =

Answer:

1/2

c =

Answer:

-1

The expected value for the number of heads is .

0.5

1.5

The expected value in this case means .

if you flip a coin twice, heads will turn up 1 time

after repeated trials of flipping a coin twice, the average number of times heads will turn up is 1

after repeated trials of flipping a coin twice, the average number of times heads will turn up is 1/2

f =

Answer:

g =

Answer:

-1

The expected value of the number of points won on a spin is .

–0.25 points

0 points

0.5 points

1 point

1.25 points

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