A. Home prices in a particular neighborhood average $350k with a standard deviation of $30k. They are not Normally distributed. Your realtor pulls a random sample of 30 houses for you to look at. What is the probability that the average price of these 30 houses is between $340k and $360k? (Please round your answer to 3 decimal places: ex, 0.123)

A. Home prices in a particular neighborhood average $350k with a standard deviation of $30k. They are not Normally distributed. Your realtor pulls a random sample of 30 houses for you to look at. What is the probability that the average price of these 30 houses is between $340k and $360k? (Please round your answer to 3 decimal places: ex, 0.123)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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Question

A. Home prices in a particular neighborhood average $350k with a standard deviation of $30k. They are not Normally distributed. Your realtor pulls a random sample of 30 houses for you to look at.

What is the probability that the average price of these 30 houses is between $340k and $360k? (Please round your answer to 3 decimal places: ex, 0.123)

B. Blood pressure is distributed Normally, with a mean of 85 mm and a standard deviation of 20 mm. As a research physician you are randomly assigned 100 patients.

What is the probability that the average blood pressure for your sample of 100 patients is greater than 90 mm? (Please round your answer to 3 decimal places: ex, 0.123)

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