# MATH 180 MATH180 MATH/180 Submitted Week 7_ Chapter 7 Homework 162.pdf

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## MATH 180 MATH180 MATH/180 Submitted Week 7_ Chapter 7 Homework 162.pdf

Fair Coin?

In a series of 100 tosses of a token, the proportion of heads was found to be 0.43 However, the margin of error for the estimate on the proportion of heads in all tosses was too big.

Suppose you want an estimate that is in error by no more than 0.03 at the 90% confidence level.

(a) What is the minimum number of tosses required to obtain this type of accuracy?

Use theprior sample proportion in your calculation.You should toss the token at least 737 times.

(b)

### Description

## MATH 180 MATH180 MATH/180 Submitted Week 7_ Chapter 7 Homework 162.pdf

Fair Coin?

In a series of 100 tosses of a token, the proportion of heads was found to be 0.43 However, the margin of error for the estimate on the proportion of heads in all tosses was too big.

Suppose you want an estimate that is in error by no more than 0.03 at the 90% confidence level.

(a) What is the minimum number of tosses required to obtain this type of accuracy?

Use theprior sample proportion in your calculation.You should toss the token at least 737 times.

(b) What is the minimum number of tosses required to obtain this type of accuracy when youassume no prior knowledge of the sample proportion?You should toss the token at least 752 times.

## MATH 180 MATH180 MATH/180 Submitted Week 7_ Chapter 7 Homework 162.pdf

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## MATH 180 MATH180 MATH/180 Submitted Week 7_ Chapter 7 Homework 162.pdf

MATH 180 – Spring 2018 Register Now Test4_F01.pdf 1 pagesScreen Shot 2019-12-12 at 10.44.58 AM.pngScreen Shot 2019-12-12 at 10.44.58 AM.png Champlain College Introduction to Statistics

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Please see an attachment for details 1 2 3 4 5 Please see an attachment for details 1 2 3 4 5 Please see an attachment for details 1 2 3 4 5 Bass – Samples: The bass in Clear Lake have weights that are normally distributed with a mean of2.3pounds and a standard deviation of0.8pounds.

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## MATH 180 MATH180 MATH/180 Submitted Week 7_ Chapter 7 Homework 162.pdf

MATH 180 – Spring 2018 Register Now Test4_F01.pdf 1 pagesScreen Shot 2019-12-12 at 10.44.58 AM.pngScreen Shot 2019-12-12 at 10.44.58 AM.png Champlain College Introduction to Statistics

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