Scores on an intelligence test for the age group 20 to 34 are approximately normally distributed with mean 110 and standard deviation 25. About what percent of people in this age group have scores b. Below 85? (Answer in 2 decimal places.) Answer: Blank 2% c. What percent of people ages 20 - 34 have IQs below 100? (Answer in 2 decimal places.) Answer: Blank 3% d. If only 1% of people in this age group have IQs higher than Elizabeth, what is Elizabeth's IQ? (Answer in 2 decimal places.) Answer: Blank 4

Scores on an intelligence test for the age group 20 to 34 are approximately normally distributed with mean 110 and standard deviation 25. About what percent of people in this age group have scores b. Below 85? (Answer in 2 decimal places.) Answer: Blank 2% c. What percent of people ages 20 - 34 have IQs below 100? (Answer in 2 decimal places.) Answer: Blank 3% d. If only 1% of people in this age group have IQs higher than Elizabeth, what is Elizabeth's IQ? (Answer in 2 decimal places.) Answer: Blank 4

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 42PFA

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