Mathematics, 27.03.2020 00:26 johnmarston60
A study of long-distance phone calls made from General Electric Corporate Headquarters in Fairfield, Connecticut, revealed the length of the calls, in minutes, follows the normal probability distribution. The mean length of time per call was 4.2 minutes and the standard deviation was 0.40 minutes. What is the probability that calls last between 4.2 and 4.9 minutes
Answers: 2
Mathematics, 21.06.2019 19:30
Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2
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Mathematics, 21.06.2019 23:00
The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?
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Louis wants to give \$15 to kids who need school supplies. he also wants to buy a pair of shoes for \$39. how much money will he have to save for both?
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A study of long-distance phone calls made from General Electric Corporate Headquarters in Fairfield,...
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