Compute length of string-pull taut by pencil to draw ellipse
The rectangular board is 2 by 18 units. Foci of the ellipse are situated to produce largest area. The string is connected to foci and pulled taut by the pencil to draw ellipse. Determine length of string.
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The time of the long-distance calls made by employees of company is normally distributed with population mean of 6.0 minutes and population standard deviation of 2.0 minutes. Determine the probability which a randomly selected call lasts between 5
The length of the large bird is normally distributed with mean of 14 inches and standard deviation of 2 inches. Determine the probability which a random bird is more than 16 inches long? Round your answer to 4 decimal places.
Normal distribution with the population mean of 40 pounds and known population standard deviation of 10 pounds. Determine the weight associated with the third quartile's weight?
The Canadaian project has five bidders as well as A Contruction's changes are twice as likely as the other four bidders. The other bidders' chances are equal to each other. Determine the probability that A Construction will win both contracts?
The student drops the tennis ball 10 feet above pavement. Find height of tennis ball after 1 bounce, 2 bounces, 3 bounces? What kind of sequence is this?
Suppose that population variances are unknown but equal. Is the potency for fresh drugs different from that for stored drugs? Use alpha = .05 Potency Reading for the two samples:
Which of the following isn't an approach to decision making under uncertainty?
How much must be deposited in the account paying 4% interest compounded quarterly to have the balance of $3500 after 2 1/2 years?
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