Use the normal distribution of sat critical reading scores for which the mean is 513 and the standard deviation is 121. assume the variable x is normally distributed. left parenthesis a right parenthesis what percent of the sat verbal scores are less than 625? left parenthesis b right parenthesis if 1000 sat verbal scores are randomly selected, about how many would you expect to be greater than 550?

Agroup of randomly selected apple valley high school students were asked to pick their favorite gym class. the table below shows the results of the survey. there are 528 students at apple valley high school. gym class number of students racquet sports 1 team sports 9 track and field 17 bowling 13 based on the data, what is the most reasonable estimate for the number of students at apple valley high school whose favorite gym class is bowling? choose 1 answer a. 9 b. 13 c. 119 d. 172

In the figure below, triangle rpq is similar to triangle rts. what is the distance between p and q? a. 24 b. 42 c.50 d. 54

2x minus y equals 6, x plus y equals negative 3