Relation between money spent on gambling
Robert wants to know if there is a relation between money spent on gambling and winnings.
Money Won Money Spent
12 6210 5016 9418 10615 7410 56
What is the coefficient of determination?
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There are two soda machines at a school. A can soda costs $.75 from Machine A and works 100% of the time. A can of soda from Machine B costs $.50 and this machine works 60% of the time. When B doesn't work, it eats your money. You determine the fo
What are the psychometric properties of The MBTI for bulimia and /or eating disorders?
A rental truck agency services its vehicles on a regular basis, routinely checking for mechanical problems. Supose that the agency has six moving vans, two of which need to have new brakes. During a routine check, the vans are tested one at a time
Of three cards, one is painted red on both sides, one is painted black on both sides and one is painted red on one side and black on the other. A card is randomly chosen and placed on a table.
Determine a 4-year weighted moving average forecast for 2009, where weights are W1 = 0.1, W2 = 0.2, W3 = 0.2 and W4 = 0.5.
Calculate the residual standard deviation for predicting a person's IQ score at age 35 from his/her IQ score at age 18. Using this information, roughly 99.7% of all people who had an IQ of 120 at age 18 had an IQ between (A) and (B) at age 35.
There are 5 red balls and 3 blue balls in a box. 3 balls are drawn from the box at once. If at least 1 blue ball is drawn, the draw is marked a "success." Let X denote the number of successful draws after 6 draws. What is the distribution of X?
Two hundred simulation runs were completed using the probability of a machine breakdown from the table below. The average number of breakdowns from the simulation trials was 1.93 with a standard deviation of 0.20.
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