The manager of a night club in boston stated that 95% of the customers are between the ages of 21 and 27 years. if the age of customers is normally distributed with a mean of 24 years, calculate its standard deviation.

Evaluate: 4[3.1+27 20 20.8 24

What do it equal 1 1/3 + 1 3/7

Find the numbers such that fifferent is greater than the half of thier qoutient.

If we recall that the sum of the lengths of any two sides of a which lengths make sense for possible values of b? Select 0 -2 in. O in. 0.5 in. 2 in. 7.9 in.

Arlene had a taxable income of $118,000 last year. Which form can she use to file her federal income tax return? A. W-2 B. W-4 C. 1040 D. 1040EZ

A golfball is hit from ground level with an initial vertical velocity of 64 ft/s. After how many seconds will the ball hit the ground? a. 3 seconds b. 4 seconds c. 5 seconds d. 6 seconds

The function f (x) = - x2 - 2x + 15 is shown on the graph. What are the domain and range of the function?

Let the test statistic Z have a standard normal distribution when H0 is true. Give the P-value for each of the following situations. (Round your answers to four decimal places.) (a) Ha: μ > μ0, z = 1.73 P-value = (b) Ha: μ < μ0, z = - 2.

Solve the proportion of 8/13=v/8

Together, Amy and Thea make up 1/4 of the midfielders on my the soccer team. How many midfielders are on the team? Show your work