Is this probability function valid? Explain. а. b. What is the probability that it takes exactly two sessions to gain the patient's trust? What is the probability that it takes at least two sessions to gain the patient's trust? с.

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 33E: Sick leave probability that a given worker at Dyno Nutrition Will call in sick on a Monday is 004....
icon
Related questions
Question
A psychologist determined that the number of sessions required to obtain the trust of a new
patient is either 1, 2, or 3. Let x be a random variable indicating the number of sessions re-
quired to gain the patient's trust. The following probability function has been proposed.
f(x) =
for x = 1, 2, or 3
6.
Is this probability function valid? Explain.
b. What is the probability that it takes exactly two sessions to gain the patient's trust?
с.
What is the probability that it takes at least two sessions to gain the patient's trust?
Transcribed Image Text:A psychologist determined that the number of sessions required to obtain the trust of a new patient is either 1, 2, or 3. Let x be a random variable indicating the number of sessions re- quired to gain the patient's trust. The following probability function has been proposed. f(x) = for x = 1, 2, or 3 6. Is this probability function valid? Explain. b. What is the probability that it takes exactly two sessions to gain the patient's trust? с. What is the probability that it takes at least two sessions to gain the patient's trust?
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
College Algebra
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
College Algebra
College Algebra
Algebra
ISBN:
9781337282291
Author:
Ron Larson
Publisher:
Cengage Learning