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How large is sample needed to get the desired information

A researcher is interested in estimating the noise levels in decibels at area urban hospitals. She wants to be 90% confident that her estimate is correct. If the standard deviation is 5.07, how large is the sample is needed to get the desired information to be accurate within 0.66 decibels?

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Solution Preview :

Prepared by a verified Expert

Basic Statistics: How large is sample needed to get the desired information

Reference No:- TGS0681902

Have a Question? (oR Write a Review)

Recent Questions Asked Basic Statistics

Q : Find probability that randomly selected loaf has given mass

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Q : How large is sample needed to get the desired information

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Solution Preview :

Prepared by a verified Expert

Basic Statistics: How large is sample needed to get the desired information

Reference No:- TGS0681902

Recent Questions Asked Basic Statistics

Q : Find probability that randomly selected loaf has given mass

Q : Problem based on probability distribution

Q : Find probability that sample mean will be between range

Q : Supporting mobile health clinics

Q : How large is sample needed to get the desired information

Q : Concerning about the quality of the process

Q : Distribution of percent purity

Q : Planning a statistical study

Q : Find probability that three kidney transplant claims arrive

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