A probability distribution can be such as P(X) = 1/X, where X = 2, 3, 6. The distribution is notation 35. P(X) = X/7 for X = 1, 2, 4 shown as follows: 2 3 6 36. P(X) = X/(X + 2) for X = 0, 1, 2 P(X) 37. Computer Games The probability that a child plays one computer game is one-half as likely as that of play- ing two computer games. The probability of playing three games is twice as likely as that of playing two games, and the probability of playing four games is the average of the other three. Let X be the number of com- puter games played. Construct the probability distribu- tion for this random variable and draw the graph. For Exercises 31 through 36, write the distribution for the formula and determine whether it is a probability distribution. 31. P(X) = X/6 for X = 1, 2, 3 32. P(X) - X for X - 0.2, 0.3, 0.5 33. P(X) = X/6 for X = 3, 4, 7

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JExtending the Concepts
34. P(X) = X + 0.1 for X = 0.1, 0.02, 0.04
A probability distribution can be written in formula notation
such as P(X) = 1/X, where X = 2, 3, 6. The distribution is
shown as follows:
35. P(X) = X/7 for X = 1, 2, 4
2 3 6
36. P(X) = X/(X + 2) for X = 0, 1, 2
P(X)
37. Computer Games The probability that a child plays
one computer game is one-half as likely as that of play-
ing two computer games. The probability of playing
three games is twice as likely as that of playing two
games, and the probability of playing four games is the
average of the other three. Let X be the number of com-
puter games played. Construct the probability distribu-
tion for this random variable and draw the graph.
For Exercises 31 through 36, write the distribution for
the formula and determine whether it is a probability
distribution.
31. P(X) = X/6 for X = 1, 2, 3
32. Р(X) - X for X- 0.2, 0.3, 0.5
33. P(X) = X/6 for X = 3, 4, 7
Transcribed Image Text:JExtending the Concepts 34. P(X) = X + 0.1 for X = 0.1, 0.02, 0.04 A probability distribution can be written in formula notation such as P(X) = 1/X, where X = 2, 3, 6. The distribution is shown as follows: 35. P(X) = X/7 for X = 1, 2, 4 2 3 6 36. P(X) = X/(X + 2) for X = 0, 1, 2 P(X) 37. Computer Games The probability that a child plays one computer game is one-half as likely as that of play- ing two computer games. The probability of playing three games is twice as likely as that of playing two games, and the probability of playing four games is the average of the other three. Let X be the number of com- puter games played. Construct the probability distribu- tion for this random variable and draw the graph. For Exercises 31 through 36, write the distribution for the formula and determine whether it is a probability distribution. 31. P(X) = X/6 for X = 1, 2, 3 32. Р(X) - X for X- 0.2, 0.3, 0.5 33. P(X) = X/6 for X = 3, 4, 7
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