Annual income: The mean annual income for people in a certain city (in thousands of dollars) is 41, with a standard deviation of 28. A pollster draws a sample of 92 people to interview. Answer the two following questions.

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section11.3: Shapes Of Distributions
Problem 14E
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Annual income: The mean annual income for people in a certain city (in thousands of dollars) is 41, with a standard deviation of 28. A pollster draws a sample of 92 people to interview. Answer the two following questions.
Part 4 of 5
(d) Would it be unusual for the sample mean to be less than 32? Round the answer to at least four decimal places.
It (Choose one) ▼
unusual because the probability of the sample mean being less than 32
is
is
is not
Part 5 of 5
(e) Do you think it would be unusual for an individual to have an Income of less than 32? Explain. Assume the variable is
normally distributed. Round the answer to at least four decimal places.
(Choose one) ▼
because the probability that an individual has an income less than 32 is
Transcribed Image Text:Part 4 of 5 (d) Would it be unusual for the sample mean to be less than 32? Round the answer to at least four decimal places. It (Choose one) ▼ unusual because the probability of the sample mean being less than 32 is is is not Part 5 of 5 (e) Do you think it would be unusual for an individual to have an Income of less than 32? Explain. Assume the variable is normally distributed. Round the answer to at least four decimal places. (Choose one) ▼ because the probability that an individual has an income less than 32 is
Part 4 of 5
(d) Would it be unusual for the sample mean to be less than 32? Round the answer to at least four decimal places.
It (Choose one) ▼
unusual'because the probability of the sample mean being less than 32
is
Part 5 of 5
(e) Do you think it would be unusual for an individual to have an income of less than 32? Explain. Assume the varlable is
normally distributed. Round the answer to at least four decimal places.
(Choose one) ▼
because the probability that an individual has an income less than 32 is
Yes
No
Transcribed Image Text:Part 4 of 5 (d) Would it be unusual for the sample mean to be less than 32? Round the answer to at least four decimal places. It (Choose one) ▼ unusual'because the probability of the sample mean being less than 32 is Part 5 of 5 (e) Do you think it would be unusual for an individual to have an income of less than 32? Explain. Assume the varlable is normally distributed. Round the answer to at least four decimal places. (Choose one) ▼ because the probability that an individual has an income less than 32 is Yes No
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