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GENDER ISSUES AT A DISCOUNT CHAIN
Suppose that 65 percent of a discount chain's employees are women and 33 percent of the discount chain's employees having a management position are women. If 25 percent of the discount chain's employees have a management position, what percentage of the discount chain's female employees have a management position?
Two jars contain coins. Jar I contains 7 pennies, 6 nickels and 8 dimes.Jar II contains 5 pennies, 3 nickels and 1 dime. A jar is selected at randomand a coin is selected from that jar. If the coin is a nickel, what is the probability that it came fr..
Management wishes to schedule workers with specific projects that minimizes total cost and gets all projects done, what would that minimized cost be and Part 1b Which project should be assigned to which worker for minimizing the total cost?
1) A sample of price of 16 different models of mobile in a store are as follows: 900 300 340 450 280 220 340 290 370 400 310 340 430 270 380 910 a) Calculate the mean, median, mode, first and third quartile. b) Calculate the variance, standard deviat..
Calculate the percentage of variance explained for r = 0.53. Is this correlation clinically important and what is the r value listed for the relationship between variables 4 and 9?
The percent defective for parts produced by a manufacturing process is targeted at 4%. The process is monitored daily by taking samples of sizes n = 160 units. Suppose that today's sample contains 14 defectives. How many units would have to be sample..
Acme Airlines flies airplanes that seat 12 passengers. From experience, they have learned that, on average, 80% of the passengers holding reservations for a particular flight actually show up for the flight. If they book 13 passengers for a flight, w..
a chemical company wished to study the consistency of the strength of one of its liquid chemical products. the product
A random sample of 20 purchases showed the amounts in the table (in $). 20.20 21.74 62.41 82.16 44.39 45.32 66.55 46.67 27.15 51.24 85.64 31.84 71.85 53.02 33.74 86.93 14.81 54.32 77.2359.17
Develop a regression model that could be used to predict the final average in the course based on the first test grade. Predict the final average of a student who made an 83 on the first test.
Wall Street securities firms paid out record year-end bonuses of $125,000 per employee. Suppose we take a sample at Goldman Sachs to see whether the year-end bonus is different from the population mean in Wall Street companies
9.2 The dean of a graduate school wishes to predict the grade point average in graduate work for recent applicants. List a dozen variables that might be useful explanatory variables here.
The length of the snake Vipera bertis (X), measured in centimeters, is assumed to be normally distrubuited with mean 63 and variance 22. The weight (Y) is measured on grams, can be calculated by using Y= -300 + 7x.
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