Mathematics, 04.11.2020 18:00 daverius3153
An urn contains seven red and five white balls. Four balls are randomly drawn from the urn in succession with replacement. That is after each drawn the selected ball is returned to the urn. What is the probability that for balls drawn from the urn or white?
Answers: 3
Mathematics, 21.06.2019 13:30
There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part
Answers: 1
Mathematics, 21.06.2019 16:30
On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?
Answers: 2
Mathematics, 21.06.2019 19:00
What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)
Answers: 2
An urn contains seven red and five white balls. Four balls are randomly drawn from the urn in succes...
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