jfleming6309 jfleming6309

13-12-2022
Mathematics

Answered

a local radio station plays 40 rock-and-roll songs during each 4-hour show. the program director at the station needs to know the total amount of airtime for the 40 songs so that time can also be programmed during the show for news and advertisements. the distribution of the lengths of rock-and-roll songs, in minutes, is roughly symmetric with a mean length of 3.9 minutes and a standard deviation of 1.1 minutes.

Answer :

Other Questions

The length of the diagonal of a rectangle is √40. If one side is 4units longer than the other, what are the lengths of the sides?

A company wants to determine its reorder point (R). Demand is variable and they want to build a safety stock into R. The company wants to have a service probabi

Two airboats travel at the same speed to different destinations. Airboat A reaches its destination in 12 minutes. Airboat B reaches its destination in 18 minute

Find an equation of the line that passes through the point (2, −3) and is perpendicular to the line passing through the points (−3, −2) and(5, 4). (Let x be the

A doctor believes that the standard deviation of systolic blood pressure is 450. A random sample of 24 patients found a standard deviation of 520. Assume the va

Which of the following situations could have a regression line with a negative y-intercept? Select all that apply. 4 Select all that apply: The profit (sales pr

Are you more likely to win a random drawing if you crinkle the paper that contains your name before putting it into the drawing box? A curious student conducted

Set up an integral for the area of the shaded region. Evaluate the integral to find the area of the shaded region. The x y coordinate plane is given. There are

The height of a cylinder is 4 times the radius of its base. The surface area of the cylinder is 78,500 square inches. If you use 3.14 for pi, what is the volume

The figure above summarizes the heights, in centimeters, of approximately 400 pine seedlings six years after they were planted at a center for environmental stu