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10) Suppose that a distribution of test scores is approximately symmetric and bell-shaped and the middle...
Consider a bell-shaped symmetric distribution with mean of 128 and standard deviation of 3. Approximately what...
Consider a bell-shaped symmetric distribution with mean of 128 and standard deviation of 3. Approximately what percentage of data lie between 119 and 128? A)68% B)99.7% C)49.85% D)47.5% E)95%
Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a...
Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 16. Use the empirical rule to determine the following. (a) What percentage of people has an IQ score between 84 and 116? (b) What percentage of people has an IQ score less than 68 or greater than 132? (c) What percentage of people has an IQ score greater than 148?
3.2.29 Scores of an IQ test have a bell-shaped distribution with a mean of 100 and...
3.2.29 Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 14. Use the empirical rule to determine the following. (a) What percentage of people has an IQ score between 72 and 128? (b) What percentage of people has an IQ score less than 72 or greater than 128? (c) What percentage of people has an IQ score greater than 142? (a)% (Type an integer or a decimal.)
Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a...
Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 14. Use the empirical rule to determine the following. ( a) What percentage of people has an IQ score between 72 and 128? (b) What percentage of people has an IQ score less than 58 or greater than 142? (c) What percentage of people has an IQ score greater than 128? - Type as an integer or decimal
Scores of an lQ test have a bell-shaped distribution with a mean of 100 and a...
Scores of an lQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 11. Use the empirical rule to determine the following. (a) What percentage of people has an IQ score between 89 and 1117 (b) What percentage of peopleasa Q score less than 78 or greater than 122? (C) What percentage of people has an IQ score greater than 111? (a) )%(Type an integer or a decimal.) (D)0% (Type an integer or a...
According to the CDC, the distribution of heights of 12-year-old males is approximately symmetric and bell-shaped...
According to the CDC, the distribution of heights of 12-year-old males is approximately symmetric and bell-shaped with a mean of 149 cm and a standard deviation of 9 cm 9) a) About what percentage of 12-year-old boys are more than 158 cm tall? 16% b) About what percentage of 12-year-old boys have heights between 131 and 140 cm? 13.5%
Suppose that I scores have a bell-shaped distribution with a mean of 105 and a standard...
Suppose that I scores have a bell-shaped distribution with a mean of 105 and a standard deviation of 17. Using the empirical rule, what percentage of IQ scores are between 71 and 139? Answer/How to Enter) 1 Point Tables Keypad Keyboard Shortcuts < > in NEA Prev
Suppose that IQ scores have a bell-shaped distribution with a mean of 101 and a standard...
Suppose that IQ scores have a bell-shaped distribution with a mean of 101 and a standard deviation of 12. Using the empirical rule, what percentage of IQ scores are no more than125?
A distribution of numbers is approximately bell-shaped. If the mean of the numbers is 129 and...
A distribution of numbers is approximately bell-shaped. If the
mean of the numbers is 129 and the standard deviation is 15,
a. between what two numbers would approximately
68% of the values fall?
between
_____ and ______
b. Between what two numbers would 95% of the
values fall?
between
_____ and _______
c. Between what two values would 99.7% of the
values fall?
between
______ and ______
Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 10
Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 10. Use the empirical rule to determine the following (a) What percentage of people has an IQ score between 70 and 1307 (b) What percentage of people has an IQ score less than 90 or greater than 110? (c) What percentage of people has an IQ score greater than 120?
3.2.29 Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 14. Use the empirical rule to determine the following. (a) What percentage of people has an IQ score between 72 and 128? (b) What percentage of people has an IQ score less than 72 or greater than 128? (c) What percentage of people has an IQ score greater than 142? (a)% (Type an integer or a decimal.)
Scores of an lQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 11. Use the empirical rule to determine the following. (a) What percentage of people has an IQ score between 89 and 1117 (b) What percentage of peopleasa Q score less than 78 or greater than 122? (C) What percentage of people has an IQ score greater than 111? (a) )%(Type an integer or a decimal.) (D)0% (Type an integer or a...
According to the CDC, the distribution of heights of 12-year-old males is approximately symmetric and bell-shaped with a mean of 149 cm and a standard deviation of 9 cm 9) a) About what percentage of 12-year-old boys are more than 158 cm tall? 16% b) About what percentage of 12-year-old boys have heights between 131 and 140 cm? 13.5%
Suppose that I scores have a bell-shaped distribution with a mean of 105 and a standard deviation of 17. Using the empirical rule, what percentage of IQ scores are between 71 and 139? Answer/How to Enter) 1 Point Tables Keypad Keyboard Shortcuts < > in NEA Prev
A distribution of numbers is approximately bell-shaped. If the
mean of the numbers is 129 and the standard deviation is 15,
a. between what two numbers would approximately
68% of the values fall?
between
_____ and ______
b. Between what two numbers would 95% of the
values fall?
between
_____ and _______
c. Between what two values would 99.7% of the
values fall?
between
______ and ______
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