Helen Holmes makes pottery by hand in her basement. She has 20 hours available each week to make bowls and vases. A bowl requires 3 hours of labor, and a vase requires 2 hours of labor. It requires 2 pounds of special clay to make a bowl and 5 pounds to produce a vase; she is able to acquire 35 pounds of clay per week. She sells her bowls for 50

QUESTION 16 – A light bulb is advertised as lasting an average of 1000 hours with a standard deviation of 150 hours. Find the probability of buying a light bulb that will last between 850 and 1250 hours. Assume the variable is normally distributed.

Consider the following dependent random samples Observations    1   2    3   4    5     6 x-values            8.1 7.6    8.3  8.4   7.9   7.0 y-values            8.4 8.4    8.5  8.9   8.1   7.6 a) Determine the difference between each set of points, xi – yi b) Do hypothesis testing to see if µd < 0 at the α = .025.

The marketing team at Beth’s Butter Works decided they preferred the traditional plastic tub packaging, but they wanted a more refined estimate of potential sales. They launched a third test at a regional level across 100 stores. These 100 stores had average daily sales of 140 units with a standard deviation of 50. Calculate the 99%, 95%, and 68% confidence intervals for the average number of units Beth’s Butter Works can anticipate to sell. Enter your results in the blanks below. There is a 99% likelihood that they will sell between  and units. There is a 95% likelihood that they will sell between  and units. There is a 68% likelihood […]

Performance Management