?The market research department at a manufacturing plant determines that 30% of the people who purchase the plant's product during any month will not purchase it the next month. On the other hand, 60% of the people who do not purchase the product during any month will purchase it the next month. In a population of 1000 people, 200 people purchased the product this month. How many will purchase the product in 2 months?
?
A. ?638 people
B. ?830 people
C. ?744 people
D. ?812 people
E. ?662 people
Answer: E
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As part of a study on the metabolism of athletes, 400 college basketball players are randomly chosen and their weights taken. The distribution of the weights is approximately normal. The average weight is 215 pounds and the standard deviation is 15 pounds.A weight of 188 pounds corresponds to a standardized value of
A. -1.8. B. 27. C. -1.5. D. 1.8. E. none of these
Use the formula for the sum of the first n terms of a geometric sequence.Find the sum of the first 13 terms of the geometric sequence: -4, -12, -36, -108, -324, . . .
A. -3,188,644 B. -3,188,607 C. -3,188,664 D. -3,188,642
Graph the function using transformations.f(x) = 
A. 
B. 
C. 
D. 
Use a graphing calculator to answer the question.Consider the stochastic matrix A and the distribution matrix B below. A = 
B = 
Determine the stable distribution of A by calculating AB, A2B, A3B, A4B, ... , until successive matrices do not change.
What will be an ideal response?