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Question 5 One therapy based on classical conditioning for people with phobias is called systematic desensitization. In this therapy people are taught to relax in the presence of stimuli that used to make them respond with fear. In the population it takes an average of 10 sessions for the treatment to work. The standard deviation in the population is 2.5 sessions. Assume that the number of sessions that it takes for the treatment to work follows a normal distribution. What proportion of people takes less than 14 sessions to treat their phobias? а. b. What proportion of people takes between 10 and 12 sessions to treat their phobias?

Question 5 One therapy based on classical conditioning for people with phobias is called systematic desensitization. In this therapy people are taught to relax in the presence of stimuli that used to make them respond with fear. In the population it takes an average of 10 sessions for the treatment to work. The standard deviation in the population is 2.5 sessions. Assume that the number of sessions that it takes for the treatment to work follows a normal distribution. What proportion of people takes less than 14 sessions to treat their phobias? а. b. What proportion of people takes between 10 and 12 sessions to treat their phobias?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Question 5 One therapy based on classical conditioning for people with phobias is called systematic desensitization. In this therapy people are taught to relax in the presence of stimuli that used to make them respond with fear. In the population it takes an average of 10 sessions for the treatment to work. The standard deviation in the population is 2.5 sessions. Assume that the number of sessions that it takes for the treatment to work follows a normal distribution. What proportion of people takes less than 14 sessions to treat their phobias? а. b. What proportion of people takes between 10 and 12 sessions to treat their phobias?
Transcribed Image Text:Question 5 One therapy based on classical conditioning for people with phobias is called systematic desensitization. In this therapy people are taught to relax in the presence of stimuli that used to make them respond with fear. In the population it takes an average of 10 sessions for the treatment to work. The standard deviation in the population is 2.5 sessions. Assume that the number of sessions that it takes for the treatment to work follows a normal distribution. What proportion of people takes less than 14 sessions to treat their phobias? а. b. What proportion of people takes between 10 and 12 sessions to treat their phobias?
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