Uniform density curve, If a blue ball is selected you win

Uniform density curve

Reference no: EM137698

1. In a particular game, a ball is randomly chosen from a box that contains 3 red balls, 1 green ball, and 6 blue balls. If a red ball is selected you win $2, if a green ball is selected you win $4, and if a blue ball is selected you win nothing. Let X be the amount that you win. The expected value of X is

A. $1.
B. $2.
C. $3.

2. Let the random variable X be a random number with the uniform density curve given below.

1868_uniform density curve.gif

P (0.7 < X < 1.1) has value

A. 0.30.
B. 0.40.
C. 0.70.

Reference no: EM137698

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