Let x be the number of courses for which a randomly selected student at a certain university is registered. The probability distribution of x appears in the table shown below.
Let x be the number of courses for which a randomly selected student at a certain university is registered. The probability distribution of x appears in the table shown below.
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 2E
Related questions
Question
Let x be the number of courses for which a randomly selected student at a certain university is registered. The probability distribution of x appears in the table shown below.
| x | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|---|
|
p(x)
|
0.04 | 0.05 | 0.09 | 0.24 | 0.36 | 0.14 | 0.08 |
(a)
What is
P(x = 4)?
P(x = 4) =
(b)
What is
P(x ≤ 4)?
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?
(e)
What is the probability that the selected student is taking more than five courses?
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 4 steps
Follow-up Questions
Read through expert solutions to related follow-up questions below.
Follow-up Question
What is the probability that the selected student is taking at least five courses?
What is the probability that the selected student is taking more than five courses?
Solution
by Bartleby ExpertRecommended textbooks for you
Calculus For The Life Sciences
Calculus
ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Calculus For The Life Sciences
Calculus
ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage