In a certain village, the height of men in inches follows the Normal (69, 2.5) distribution. Find the probability that a randomly selected man from the village is between 67 in. and 71in. tall.
What will be an ideal response?
0.5762
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To travel 68 miles, it takes Sue, riding a moped, 4 hours less time than it takes Doreen to travel 80 miles riding a bicycle. Sue travels 7 miles per hour faster than Doreen. Find the times and rates of both girls.
A. Sue: 17 mph for 4 hours, Doreen: 10 mph for 8 hours B. Sue: 10 mph for 4 hours, Doreen: 17 mph for 8 hours C. Sue: 21 mph for 8 hours, Doreen: 14 mph for 12 hours D. Sue: 4 mph for 17 hours, Doreen: 10 mph for 8 hours E. Sue: 27 mph for 4 hours, Doreen: 20 mph for 8 hours
Solve the problem.Find 
x
A. Does not exist B. 0 C. 4 D. 2
Provide an appropriate response.How would you determine each term after the first for the sequence 1, 2, 4, 7, 11, . . .?
What will be an ideal response?
Using the derivative of f(x) given below, determine the intervals on which f(x) is increasing or decreasing.f'(x) = (x - 7) e-x
A. Increasing on (-?, 7); decreasing on (7, ?) B. Decreasing on (-?, 7); increasing on (7, ?) C. Decreasing on (-?, -7); increasing on (-7, ?) D. Increasing on (-?, -7); decreasing on (-7, ?)