Mathematics, 09.10.2019 07:30 Brainlyisuseful

Scores of an iq test have a bell-shaped distribution with a mean of 100 and a standard deviation of 15. use the empirical rule to determine the following.
(a) what percentage of people has an iq score between 55 and 145?
(b) what percentage of people has an iq score less than 55 or greater than 145?
(c) what percentage of people has an iq score greater than 145?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 18:00, babydolltia28

Is a positive integer raised to a negative power always positive

Answers: 1

continue

Mathematics, 21.06.2019 19:30, nmg9

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons

Answers: 3

continue

Mathematics, 21.06.2019 21:00, chainsaw234567

Which of the following parabolas opens down?

Answers: 1

continue

Mathematics, 21.06.2019 22:00, shantejahtierr63961

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?

Answers: 3

continue

You know the right answer?

Scores of an iq test have a bell-shaped distribution with a mean of 100 and a standard deviation of...