A Harris Interactive poll conducted during January 2008 found that 944 of 1748 adult Americans 18 years or older who do not have a tattoo believe that individuals with tattoos are more rebellious (a) Obtain a point estimate for the proportion of adult Americans without tattoos who believe individuals with tattoos are more rebellious (b) Verify that the requirements for constructing a condence interval for p are satised (c) Construct a 90 condence interval for the proportion of adult Americans without tattoos who believe individuals with tattoos are more rebellious (d) Construct a 99 condence interval for the proportion of adult Americans without tattoos who believe individuals with tattoos are more rebellious (e) What is the effect of increasing the level of condence on the width of the interval

Question: A Harris Interactive poll conducted during January 2008 found that 944 of 1748 adult Americans 18 years or older who do not have a tattoo

A Harris Interactive poll conducted during January 2008 found that 944 of 1748 adult Americans 18 years or older who do not have a tattoo believe that individuals with tattoos are more rebellious.

(a) Obtain a point estimate for the proportion of adult Americans without tattoos who believe individuals with tattoos are more rebellious.

(b) Verify that the requirements for constructing a conﬁdence interval for p are satisﬁed.

(c) Construct a 90% conﬁdence interval for the proportion of adult Americans without tattoos who believe individuals with tattoos are more rebellious.

(d) Construct a 99% conﬁdence interval for the proportion of adult Americans without tattoos who believe individuals with tattoos are more rebellious.

(e) What is the effect of increasing the level of conﬁdence on the width of the interval?

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