Mathematics, 29.01.2020 20:54 tiwaribianca475

The scores on an exam are normally distributed, with a mean of 74 and a standard deviation of 7. what percent of the scores are less than 81?

a. 13.5%
b. 84%
c. 16%
d. 50%

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 17:20, ponylover9655

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached

Answers: 2

continue

Mathematics, 21.06.2019 19:00, jdkrisdaimcc11

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

Answers: 1

continue

Mathematics, 21.06.2019 20:00, claudia3776

What does the sign of the slope tell you about a line?

Answers: 2

continue

Mathematics, 21.06.2019 22:00, reesewaggoner8

Uestion 1(multiple choice worth 5 points) (05.02)alex wants to paint one side of his skateboard ramp with glow-in-the-dark paint, but he needs to know how much area he is painting. calculate the area of the isosceles trapezoid. isosceles trapezoid with top base 12 feet, bottom base of 18 feet, and height of 6 feet. 72 ft2 84 ft2 90 ft2 108 ft2

Answers: 1

continue

You know the right answer?

The scores on an exam are normally distributed, with a mean of 74 and a standard deviation of 7. wha...