If the mean salary is $50,000 and the standard deviation is $3,200, what is the salary range of the middle 70 % of the workforce if the salaries are normally distributed?

A pile of sand in the shape of a cone has a diameter of 8 in. and a height of 5 in. What is the volume of the cone? Use 3.14 for π. Enter your answer in the box as a decimal to the nearest cubic inch. in³

What fraction is equivalent to 1/5

13) A coin is tossed three times, with 'heads' or 'tails' recorded after each toss. The number of possible outcomes for this experiment is

Are the lines with equations 2x - 3y = 8 and - x + 4y=2 parallel, perpendicular, or neither

There were 480 people at a play. The admission price was $2 for adults and $1 for children. The admission receipts were $800. How many adults and how many children attended?

The following transactions have been journalized and posted to the proper accounts. March is the first month of business operations for the sole proprietorship. Mar. 1 The business received $ 9 comma 000 cash from the owner in exchange for capital.

Aiden weighs 39 pounds less than his brother Jacob. Jacob weighs more than 100 pounds. what could be the weights of the two brothers?

Is the relation a function? Select Yes or No for each relation. (3,3), (3,-2), (-2,4), and (1,-6) (3,3), (5,-2), (-2,4), and (1,-2) (3,3), (5,-2), (-2,4), and (5,9) (3,3), (5,-2), (-2,4), and (4,9)

When two births are randomly selected, the sample space for genders is bb, bg, gb and gg. assume that those four outcomes are equally likely. does the mean of the sample proportions equal the population proportion of girls in two births?

A student bought a pair of sunglasses in the USA. He paid $35.50 In England, an identical pair of sunglasses costs £26.99 The exchange rate is £1 = $1.42 In which country were the sunglasses cheaper, and by how much?