travisdgr82 travisdgr82

19-09-2022
Mathematics

Answered

Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 20. Use the empirical rule to determine the following. (a) What percentage of people has an IQ score between 80 and 120? (b) What percentage of people has an IQ score less than 60 or greater than 140? (c) What percentage of people has an IQ score greater than 160?

Answer :

Other Questions

I have been using the box method for percentages and it has been great. My teacher said that the answer is 5/8. What percentage of 600 is 3 3/4? I am supposed t

Linear function t has an x-intercept of -1 and a y-intercept of 5 . Which graph best represents t ?

K A certain group of test subjects had pulse rates with a mean of 78.9 beats per minute and a standard deviation of 11.7 beats per minute. Use the range rule of

A Bud Light cost $14.40 per case of 24 bottles. A bottle sells for $7.50, what is the beverage cost percentage per bottle?

find the measures of the angles of a triangle if the measure of one angle is twice as large as the measure of a second angle and the measure of the third angle

Use the equation y=5/2 x to complete the table. What is the value of A?

Ms. Shalorian's class has a ratio of 5 girls to every 10.4 boys. Mr. David's class has 12 girls and 15 boys.Determine if the situation represents a proportional

The dimensions of an in-ground swimming pool are 16 feet by 40 feet. A landscaper has drawn a scale model of the pool on a large piece of paper. If the longest

You maintain an average balance of 750 on your credit card which carries an 18% annual interest rate

A coin marked “0” and “1” is tossed an infinite number of times, the probability of 1 in any toss being equal to p 2 (0, 1). The resulting sequence (outcome) !