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We use 2,750 per year of a certain subassembly that has a purchase cost of $450, and an annual holding cost of $400 per unit. Each order placed costs us $150. We operate 200 days per year and have found that an order must be placed with our supplier 12 working days before we can expect to receive that order. For this subassembly, find:
(a) the economic order quantity
(b) the reorder point
(c) annual ordering cost
Compute the mean, median, and mode. Which of these measures of central tendency do you think most accurately describes the lifestyle variable you are looking at?
Assuming the ball selection is without replacement. What is the probability that the first ball is red and the second ball is also red?
a machine fills cans of soda which are labeled 12 ounces according to a normal distribution with mean 12.1 ounces and
Confidence interval for the average weight of a nickel. How many nickels does he need to weigh to obtain an average accurate to within 10 milligrams?
Using your own words, what is statistical variability? Why is it important for researchers to understand the variability in their data?
assume that womens heights are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches.
Refer to the Real Estate data, which report information on homes sold in the Goodyear, Arizona, area during the last year. Develop a 95% confidence interval for the mean selling price of the homes.
Assume normality and equal population variances. Is there any evidence to suggest that the population mean potassium level is different for a medium-sized potato in Russia and China? Use a = 0.05.
Which of the given signifies difference in two population proportions?
Find the probability that a randomly selected bolt can be used (either immediately or after being cut). Find the probability that fewer than 15 out of 20 bolts can be used.
a sample of size 200 from population 1 has 50 successes. a sample of size 200 from population 2 has 40 successes. what
At the .01 level of significance, is there sufficient evidence to conclude that a difference exists between the mean number of volunteer hours per week for male and female college students?
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