Concept explainers
Let x be the number of courses for which a randomly selected student at a certain university is registered. The
a. What is P(x = 4)?
b. What is P(x ≤ 4)?
c. What is the probability that the selected student is taking at most five courses?
d. What is the probability that the selected student is taking at least five courses? more than five courses?
e. Calculate P(3 ≤ x ≤ 6) and P(3 < x < 6). Explain in words why these two probabilities are different.
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Chapter 7 Solutions
Introduction to Statistics and Data Analysis
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