Macmillan Learning Choose an adult age 18 or over in the United States at random and ask, "How many cups of coffee do you drink on average per day?" Call the response X for short. Based on a large sample survey, a probability model for the answer you will get is given in the table. Number Probability 0 1 0.36 0.26 2 0.19 (b) Describe the event X < 4 in words. P(X < 4) = 3 0.08 4 or more 0.11 The event X < 4 is the event in which an individual might drink more than 4 cups of coffee on average per day. The event X < 4 is the event in which an individual drinks more than 4 cups of coffee on average per day. The event X < 4 is the event in which an individual drinks fewer than 4 cups of coffee on average per day. O The event X < 4 is the event in which an individual might drink fewer than 4 cups of coffee on average per day. What is P(X < 4)? Give your answer to two decimal places.
Macmillan Learning Choose an adult age 18 or over in the United States at random and ask, "How many cups of coffee do you drink on average per day?" Call the response X for short. Based on a large sample survey, a probability model for the answer you will get is given in the table. Number Probability 0 1 0.36 0.26 2 0.19 (b) Describe the event X < 4 in words. P(X < 4) = 3 0.08 4 or more 0.11 The event X < 4 is the event in which an individual might drink more than 4 cups of coffee on average per day. The event X < 4 is the event in which an individual drinks more than 4 cups of coffee on average per day. The event X < 4 is the event in which an individual drinks fewer than 4 cups of coffee on average per day. O The event X < 4 is the event in which an individual might drink fewer than 4 cups of coffee on average per day. What is P(X < 4)? Give your answer to two decimal places.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 50E: Flexible Work Hours In a recent survey, people were asked whether they would prefer to work flexible...
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O Macmillan Learning
Choose an adult age 18 or over in the United States at random and ask, "How many cups of coffee do you drink on average
per day?" Call the response X for short. Based on a large sample survey, a probability model for the answer you will get is
given in the table.
Number
Probability
0
1
0.36 0.26
Stacked
(b) Describe the event X < 4 in words.
2
0.19
P(X < 4) =
3
0.08
4 or more
O The event X < 4 is the event in which an individual might drink more than 4 cups of coffee on average per day.
The event X < 4 is the event in which an individual drinks more than 4 cups of coffee on average per day.
The event X < 4 is the event in which an individual drinks fewer than 4 cups of coffee on average per day.
O The event X < 4 is the event in which an individual might drink fewer than 4 cups of coffee on average per day.
0.11
What is P(X < 4)? Give your answer to two decimal places.
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