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Suppose the value of r2 is 100% for the relationship between two variables.
a. What is indicated about the strength of the relationship?
b. What are the two possible values for the correlation coefficient for the two variables?
Statistics and Probability, Statistics
The weights of bags of peas are normally distributed with a mean of 12.08 ounces and a standard deviation of 1.03 ounces. Bags in the upper 4% are too heavy and must be repackaged. What is the most that bag and weigh and ...
Suppose that a company's equity is currently selling for $26.00 per share and that there are 5.60 million shares outstanding. If the firm also has 46 thousand bonds outstanding, which are selling at 109.00 percent of par ...
Can anyone tell me how the margin of error and the level of confidence are related to one another in statistics?
In a production process, a product is assembled by using four independent parts (A, B, C, and D). In order for the part to operate properly, each part must be free of defects. The probability that the parts are defect-fr ...
A running shoe company wants to sponsor the fastest 3% of runners. You know that in this race, the running times are normally distributed with a mean of 6.8 minutes and a standard deviation of 0.37 minutes. How fast woul ...
A restaurant manager classifies customers as regular, occasional, or new, and finds that of all customers 50%, 40%, and 10%, respectively, fall into these categories. The manager found that wine was ordered by 70% of the ...
A student is to be selected randomly from a group of students. For each classification of freshman and sophomore, there is a math major, an art major, and a biology major. The probability of each individual being selecte ...
The weights of ice cream cartons are normally distributed with a mean weight of 20 ounces and a standard deviation of 0.5 ounces. You randomly select 25 cartons. What is the probability that their mean weight is greater ...
50% of the cars in a dealer lot are red, 20% are black, and 16% are white. The remainder are some other unspecified color. Salespersons randomly shows three cars to three different customers. What is the probability the ...
Suppose you believe that Johnson Company's stock price is going to increase from its current level of $22.50 sometime during the next 6 months. For $250.30 you can buy a 6-month call option giving you the right to buy 10 ...
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