This Venn diagram shows sports played by 10 students. PLAYS SOCCER.
(2 students)
MIDDLE
(3 students)
PLAYS BASKETBALL
(2 students)

Let event A = The student plays basketball.
Let event B = The student plays soccer
What is PA or B)?

The answer would be 4/5. Just make sure you have the same amount of students in the category.

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

The average hourly earnings for a construction worker is projected to be $24.50 in 2012. jason wants to join the construction work force after he graduates in 2012. his friend tells him that average hourly earnings for construction workers will rise by 2% from 2009 to 2012. based on the data below, assuming that the projected hourly earnings are correct, is jason’s friend’s statement accurate? construction industry - average hourly earnings, 2000-2009 a. his friend’s statement is accurate. the average hourly earnings will increase by 2%. b. his friend’s statement is not accurate. the percent increase will be more than 2% c. his friend’s statement is not accurate. the percent increase will be less than 2% d. his friend’s statement is not accurate. the average hourly earnings will decrease

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1