Question

A new line of cars has gas mileage represented by a distribution that is approximately normal with a mean of 32 mpg and a standard deviation of 4 mpg. Use the empirical rule to answer the following: a) Approximately what percent of cars get between 24 and 32 mpg? b) Approximately what proportion of cars get between 28 and 40 mpg?

Name: a new line of cars has gas mileage represented by a distribution that is approximately normal with a mean of 32 mpg and a standard deviation of 4 mpg use the empirical rule to answer the fol 08207
Uploaded: 2021-12-24T06:20:56-08:00
Duration: 2 min 21 s
Channel: Narayan Hari
Description: a new line of cars has gas mileage represented by a distribution that is approximately normal with a mean of 32 mpg and a standard deviation of 4 mpg use the empirical rule to answer the fol 08207

          A new line of cars has gas mileage represented by a distribution that is approximately normal with a mean of 32 mpg and a standard deviation of 4 mpg. Use the empirical rule to answer the following:
a) Approximately what percent of cars get between 24 and 32 mpg?
b) Approximately what proportion of cars get between 28 and 40 mpg?

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Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

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Solved by Expert Narayan Hari

12/24/2021

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Step 1: Calculate the percentage of cars that get between 24 and 32 mpg using the empirical rule. Show more…

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A new line of cars has gas mileage represented by a distribution that is approximately normal with a mean of 32 mpg and a standard deviation of 4 mpg. Use the empirical rule to answer the following: a) Approximately what percent of cars get between 24 and 32 mpg? b) Approximately what proportion of cars get between 28 and 40 mpg?