Mathematics, 08.04.2020 00:20 LEXIEXO
Among all monthly bills from a certain credit card company, the mean amount billed was $485 and the standard deviation was $300. In addition, for 15% of the bills, the amount billed was greater than $1000. A sample of 900 bills is drawn. What is the probability that the average amount billed on the sample bills is greater than $500? What is the probability that more than 150 of the sampled bills are for amounts greater than $1000
Answers: 2
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Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x
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26) -2(7x) = (-2 • 7) x a. associative property of addition b. associative property of multiplication c. commutative property of multiplication d. commutative property of addition
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Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list
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Mathematics, 21.06.2019 23:00
The sum of 5consecutive even numbers is 100. what is the first number in this sequence?
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Among all monthly bills from a certain credit card company, the mean amount billed was $485 and the...
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