Q2) Based on her past experience, a professor knows that the probabiity distribution for X = number of students who come to her office hours on Thursday is given below. 4 0.15 0.05 X 2 3 P(x) 0.1 0.2 1. What is the probability that exactly 2 students come to office hours on Thursday? 2. What is the expected value of X, E(X)? 3. What is the value of the cumulative probability distribution at 3? 4. What is the probability that at least 1 student comes to office hours on Thursday? 5. What is the value of standard deviation o ?

Q2) Based on her past experience, a professor knows that the probabiity distribution for X = number of students who come to her office hours on Thursday is given below. 4 0.15 0.05 X 2 3 P(x) 0.1 0.2 1. What is the probability that exactly 2 students come to office hours on Thursday? 2. What is the expected value of X, E(X)? 3. What is the value of the cumulative probability distribution at 3? 4. What is the probability that at least 1 student comes to office hours on Thursday? 5. What is the value of standard deviation o ?

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter9: Counting And Probability

Section9.3: Binomial Probability

Problem 2E: If a binomial experiment has probability p success, then the probability of failure is...

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