In Izmir University of Economics, a statistics professor has office hours from 9:00 AM to 10:00 AM each day in 2020. The number of students waiting to see the professor is a random variable, X, with the distribution shown in the table. 2| 3| P(X = x) 0.05 0.10 0.40 0.25 0.15 0.05 ol 5 1 The professor gives each student 10 minutes. Determine the probability that a student arriving just after 9:00 AM will have to wait at least 30 minutes to see the professor. O A. 0.25 O B. 0.45 Oc. 0.85 O D. 0.15

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In Izmir University of Economics, a statistics professor has office hours from 9:00 AM to 10:00 AM each day in 2020. The number of students waiting to see the professor is a random variable, X, with the distribution shown in the table.
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P(X= x) 0.05 0.10 0.40 0.25 0.15 0.05
The professor gives each student 10 minutes. Determine the probability that a student arriving just after 9:00 AM will have to wait at least 30 minutes to see the professor.
O A. 0.25
О В. 0.45
O C. 0.85
O D. 0.15
Transcribed Image Text:In Izmir University of Economics, a statistics professor has office hours from 9:00 AM to 10:00 AM each day in 2020. The number of students waiting to see the professor is a random variable, X, with the distribution shown in the table. 1 2 3 4 P(X= x) 0.05 0.10 0.40 0.25 0.15 0.05 The professor gives each student 10 minutes. Determine the probability that a student arriving just after 9:00 AM will have to wait at least 30 minutes to see the professor. O A. 0.25 О В. 0.45 O C. 0.85 O D. 0.15
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