On hot, sunny, summer days, Jane rents inner tubes by the river that runs through her town. Based on her past experience, she has assigned the following probability distribution to the number of tubes she will rent on a randomly selected day. x 25 50 75 100 Total P(x) .20 .45 .28 .07 1.00 (a) Find the probability expressions. (Round your answers to 2 decimal places.) a. P(X = 50) b. P(X ≤ 75) c. P(X > 50) d. P(X < 100)
On hot, sunny, summer days, Jane rents inner tubes by the river that runs through her town. Based on her past experience, she has assigned the following probability distribution to the number of tubes she will rent on a randomly selected day. x 25 50 75 100 Total P(x) .20 .45 .28 .07 1.00 (a) Find the probability expressions. (Round your answers to 2 decimal places.) a. P(X = 50) b. P(X ≤ 75) c. P(X > 50) d. P(X < 100)
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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On hot, sunny, summer days, Jane rents inner tubes by the river that runs through her town. Based on her past experience, she has assigned the following probability distribution to the number of tubes she will rent on a randomly selected day.
x | 25 | 50 | 75 | 100 | Total |
---|---|---|---|---|---|
P(x) | .20 | .45 | .28 | .07 | 1.00 |
(a) Find the probability expressions. (Round your answers to 2 decimal places.)
a. | P(X = 50) |
b. | P(X ≤ 75) |
c. | P(X > 50) |
d. | P(X < 100) |
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