Use the following information for questions:
Based on her past experience, a professor knows that the probability distribution for X = number of students who come to her office hours on Wednesday is given below.
-What is the probability that at least 2 students come to office hours on Wednesday?
A) 0.50
B) 0.70
C) 0.80
D) 0.90

Question

Use the following information for questions:
 Based on her past experience, a professor knows that the probability distribution for X = number of students who come to her office hours on Wednesday is given below. 
-What is the probability that at least 2 students come to office hours on Wednesday?
A) 0.50 
B) 0.70 
C) 0.80 
D) 0.90

Quizplus · Accepted Answer

The probability that at least 2 students come to office hours on Wednesday is 0.70. This is because the probability that 0 students come is 0.10, the probability that 1 student comes is 0.20, and the probability that 2 or more students come is 0.70.

Use the Following Information for Questions