A student answered a 5-item multiple-choice test. Let be the number of correct answers on the test. 1. Is X a discrete or a continuous random variable? 2. What are the possible values for X? 3. Construct a probability distribution for the random variable.
A student answered a 5-item multiple-choice test. Let be the number of correct answers on the test. 1. Is X a discrete or a continuous random variable? 2. What are the possible values for X? 3. Construct a probability distribution for the random variable.
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section: Chapter Questions
Problem 5CC
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Question
A. A student answered a 5-item multiple-choice test. Let be the number of correct answers on the test.
1. Is X a discrete or a continuous random variable?
2. What are the possible values for X?
3. Construct a probability distribution for the random variable.
4. Draw the histogram for the probability distribution.
5. What is the probability that the student got 4 correct answers?
6. Find the
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