Hours spent on homework 20
The scatter plot below shows the relationship between
hours spent on video games and hours spent on homework
last week for students in Ginny's class. Which of the
following is the best prediction of the number of hours spent
on homework by a student who spent 2 hours playing video
games?
20
18
16
Select one
14
12
25 hours
10
8
10 hours
ο ο ο ο
15 hours
.
2
20 hours
8 9 10 11 12 13 14
Hours spent on video games

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations

According to a study done by de anza students, the height for asian adult males is normally distributed with an average of 66 inches and a standard deviation of 2.5 inches. suppose one asian adult male is randomly chosen. let x = height of the individual. a) give the distribution of x. x ~ b) find the probability that the person is between 64 and 69 inches. write the probability statement. what is the probability?