Mathematics

Mathematics, 18.09.2019 04:00, 24swimdylanoh

10 red cards and 10 and black cards are placed in a bag. you choose one card and then another without replacing the first card. what is the probability that the first card will be red and the second card will be black?

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Chemistry, 04.09.2019 05:10, corbeansbrain

Bill has a set of 6 black cards and a set of 6 red cards. each card has a number from 1 through 6, such that each of the numbers 1 through 6 appears on 1 black card and 1 red card. bill likes to play a game in which he shuffles all 12 cards, turns over 4 cards, and looks for pairs of cards that have the same value. what is the chance that bill finds at least one pair of cards that have the same value? (a) 833833 (b) 62656265 (c) 17331733 (d) 103165103165 (e) 2533

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Mathematics, 18.09.2019 03:30, dfbernalloboguerrero

10 red cards and 10 and black cards are placed in a bag. you choose one card and then another without replacing the first card. what is the probability that the first card will be red and the second card will be black?

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Mathematics, 30.09.2019 19:00, knownperson233

Two cards are drawn in succession from a pack of 52 well-shuffled cards. find the probability that : 1) only the first card is a king 2) first card is a jack of diamonds or a queen 3) at least one card is a picture card 4)not more than one card is a picture card 5) the cards and not of the same suit 6) the second card is not a heart 7) the second card is not a heart given that the first card is a heart 8) the cards are aces or diamond or boats

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Mathematics, 16.10.2019 17:30, JayHtx9529

Astandard deck of cards has 52 cards. the cards have one of two colors: 26 cards in the deck are red and 26 are black. the cards have one of four denominations: 13 cards are hearts (red), 13 cards are diamonds (red), 13 cards are clubs (black), and 13 cards are spades (black). two cards are selected at random. event c is defined as the event that the first card is clubs, event r as the event that the first card is red, and event b as the event that the second card is black. which events are disjoint?

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