Mathematics, 08.04.2021 05:20 elenadelfosse
Combinations/Permutations help pls aaa
A box contains 27 calculators, 5 of which are defective. 5 calculators are selected at random from the box.
Write your answers as a simplified fraction.
A) What is the probability that all of the selected calculators are defective?
The probability that all of the selected calculators are defective is ___
.
B) What is the probability that none of the selected calculators are defective?
The probability that none of the selected calculators are defective is ___
.
///I normally don't have lots of trouble and honestly I don't have a big problem with the first half of this question at all. I know it's 1/(27 C 5) right? It's just this second part.. I'm so stuck.
Answers: 3
Mathematics, 22.06.2019 00:30
Which polynomial equation of least degree has -2, -2, 3, and 3 as four of its roots? (x + 2)(x - 3) = 0 (x - 2)-2(x + 3)3 = 0 (x-2 + 2)(x2- 3) = 0 (x + 2)2(x - 3)2 = 0
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Awoman who is 64 inches with a shoulder width of 16 inches. write an equation relating the height h to the width w. find the height of a woman who has ashoulder width of 18.5 inches
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Combinations/Permutations help pls aaa
A box contains 27 calculators, 5 of which are defective. 5 c...
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