Mathematics, 18.06.2021 02:50 imstef1267
A survey found that people keep their televisions an average of 4.8 years. The standard deviation is 0.74 years. If a person decides to buy a new tv, find the probability that he or she owned the old one for the given amount of time. Assume the variable is normally distributed. The probability that a randomly selected person owned his old tv for more than 7.02 years is?
Answers: 3
Mathematics, 21.06.2019 20:00
Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?
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Mathematics, 21.06.2019 20:00
Bernice paid $162 in interest on a loan of $1800 borrowed at 6%. how long did it take her to pay the loan off?
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Mathematics, 21.06.2019 23:30
Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap
Answers: 1
Mathematics, 22.06.2019 02:00
An isosceles trapezoid with a perimeter of 42 inches. each of the congruent non parallel sides is 5 inches long, and the trapezoid is 3 inches tall. how long are the two parallel sides? a. 10 in, 22 in b. 16 in, 16 in c. 10 in, 16 in d. 12 in, 20 in
Answers: 1
A survey found that people keep their televisions an average of 4.8 years. The standard deviation is...
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