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The dollar value of a college education is often measured by comparing the average annual pay for workers who were graduated from college to pay earned by those who never attended college after receiving a high school diploma. Data from the Census Bureau shows average earnings in 1996 of male workers who earned a bachelor's degree was $53,102 and that of male high school graduates with no college experience was $34.034. Suppose a random sample of 150 male college graduates with bachelor's degrees was taken in 1998 to check for possible salary increase and the sample mean was $53,500. That the hypothesis that no increase in average salary occurred during the 2-year period at the 0.05 level of significance. Assume σ = $3900. Use the four step process for Hypothesis Testing.
a fabric wall hanging is to fill a space that measures 12 ft by 10 ft. allowing for 3 in. of the fabric to be folded
a parabolic satellite dish is formed by rotating the curve y=ax^2 about the y-axis. if the dish has a 10 foot diameter and a maximum depth of 2 feet, find a and then find the surface area of the dish.
Construct a computer simulation model to keep track of the cash flow
If N is any positive integer, how many consecutive integers following N are needed to insure that at least one of the integers is divisible
What is the mean score of all of these students together? Round to one decimal place.
Suppose that at a certain instant the volume is 540 cubic centimeters and the pressure is 83 kPa and is decreasing at a rate of 11 kPa/minute. At what rate in cubic centimeters per minute is the volume increasing at this instant?
a room measures 16fy by 19 ft the ceiling is 9 ft above the floor a gallon of paint will cover 77.8 ft^2 how many gallons are needed to paint the room.
Two rainstorms occurred in one week in a certain area. The first storm lasted 25 hours and the second storm lasted 15 hours for a total 1025 mL of rain. What was the rate of rainfall for each of the two storms if the sum of the two rates was 55 mL..
Use the distributive property to multiply. Then, if possible, simplify the resulting espression.
Find the point on the graph of the given function at which the slope of the tangent line is the given slope.
A certain university has a computer lab with 219 terminals. Each day there is a 3% chance that a given terminal will break and a 70% chance that a given broken terminal will be repaired. In the long run, about how many terminals in the room will b..
A sample of participants took part in a hearing experiment. Among other things, the absolute hearing threshold (in decibels) was measured for each participant.
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