Answered: In late June 2012, Survey USA published…

Name: (a) Find a 90% confidence interval for the proportion of Kansas reside
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Description: (a) Find a 90% confidence interval for the proportion of Kansas residents planned to set off fireworks on July 4th. Answer the following based on the answer in part a. True or False: In part (a), if a 95% confidence interval is constructed, the inter

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 8E

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(a) Find a 90% confidence interval for the proportion of Kansas residents planned to set off fireworks on July 4th.

Answer the following based on the answer in part a. True or False: In part (a), if a 95% confidence interval is constructed, the interval would be wider.

True or False: If another 600 Kansas residents were sampled at random (in late June 2012), the sample proportion that planned to set off fireworks on July 4th would fall in the interval constructed in part (a) with 90% probability.

In late June 2012, Survey USA published results of a survey stating that 56% of the 600 randomly sampled
Kansas residents planned to set off fireworks on July 4th.

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