The distribution of ages for all Oscar winning actors at the time they receive the award is approximately normal with a mean of 44 years and standard deviation of 9 years. The 68-95-99.7 Rule / Empirical Rule:Sketch the density curve and fill in the blanks for (a) through (c)68% of the actors received Oscars between the ages of ________ and ________. 95% of the actors received Oscars between the ages of _________ and ________. 99.7% of the actors received Oscars between the ages of ________ and ________.Finding Percentiles What percent of actors received the Oscar after the age of 55? (Draw the density curve and shade the area of interest).What percent of actors received the Oscar before age 25? (Draw the density curve and shade the area of interest).What percent of actors received the Oscar between the ages of 50 and 70?Finding Observations Given a Percentile: The top 20% of actors received the Oscar after the age of___________The bottom 15% of actors received the Oscar before the age of _________.

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The distribution of ages for all Oscar winning actors at the time they receive the award is approximately normal with a mean of 44 years and standard deviation of 9 years.

The 68-95-99.7 Rule / Empirical Rule:

Sketch the density curve and fill in the blanks for (a) through (c)

68% of the actors received Oscars between the ages of ________ and ________.

95% of the actors received Oscars between the ages of _________ and ________.

99.7% of the actors received Oscars between the ages of ________ and ________.

Finding Percentiles

What percent of actors received the Oscar after the age of 55? (Draw the density curve and shade the area of interest).

What percent of actors received the Oscar before age 25? (Draw the density curve and shade the area of interest).

What percent of actors received the Oscar between the ages of 50 and 70?

Finding Observations Given a Percentile:

The top 20% of actors received the Oscar after the age of___________

The bottom 15% of actors received the Oscar before the age of _________.

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