Which numbers are a distance of 3.5 units from −4 on a number line? A number line with increments of .5 with a range of 0 to negative 7.5

Select the two correct answers.

−7

−7.5

−6.5

−4.5

−3.5

−0.5

(help)

Question 5 of 10 2 points if a population is a sample of the population could be a. registered voters; all citizens o o b. baptists; all religious people o c. people who purchased shoes; all customers o d. the entire school faculty; math teachers

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?