A box contains 20 electric bulbs, out of which 4 are defective. Two bulbs are chosen at random from this box. What is the probability that at least one of these is defective?

Q: A box contains 8 red, 5 white, 6 blue and 11 black marbles. If one marble is taken from the box,…

A: we have 8 red , 5 white , 6 blue and 11 black marbles if one marble is taken from the box, find the…

Q: Consider a jar of marbles that contains 5 blue, 3 red, 8 green, and 7 yellow marbles. Select a…

A: From given data, P(Green marble)=8/23 P(green marble for the first time before the fourth attempt)=?…

Q: Pete's Tavern is located near a busy intersection in the Village of Bronxville. Every week on…

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Q: A single card is drawn from a standard deck of 52 playing cards.  Find the probability the card is…

A: GivenTotal no.of cards =52No.of king cards = 4No.of queen cards = 4No.of jack cards = 4

Q: Suppose a jar contains 19 red marbles and 10 blue marbles. If you reach in the jar and pull out 2…

A: Given that : A jar contains  Red marbles = 19 Blue marbles = 10  Total marbles = 29   By using the…

Q: Compute the probability of randomly drawing five cards from a deck and getting 3 Aces and 2 Kings…

A: There are 52 card in the deck in which they divided into two color i.e red(26) and black (26). These…

Q: card is drawn from a standard deck of 52 playing cards. Find the probability that the card is an ace…

A: Total cards (T)= 52Heart cards (H)= 13Ace cards (A)= 4Heart and Ace cards (H and A)= 1

Q: What is the probability that this social media group of 6 people has 2 seniors, given that it has 1…

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Q: Five cards are dealt from a full deck. Find the probability that all are hearts and round your…

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Q: One card is drawn at random from a 52-card bridge deck. Find the probability of getting a King.

A: The given problem is probability. There is one deck of cards that is 52 cards in one deck. We have…

Q: A special deck of 20 cards contains 12 black cards and 8 green cards. One of the cards has a bent…

A: Given :  Total cards = 20 Black cards = 12 green cards = 8

Q: You order 13 pizzas, five that are cheese and eight that are mushroom. They arenot labelled on their…

A: There are total 13 boxes.  We can pick any 5 boxes from those 13 boxes in 13C5 ways.    If we want…

Q: The number of A's on the last quiz was 7 out of 20. If I randomly choose a quiz paper... a. What is…

A: For geometric distribution, there are four requirements need to be fulfilled. These requirements are…

Q: A poker hand, consisting of 4 cards, is dealt from a standard deck of 52 cards. Find the probability…

A: The formula for combination is nCr = n! / [r! (n – r)!] = [n (n – 1) … (n – r + 1)]/r!. Explanation:…

Q: find the probability that the educator is a female or an associate professor

A: We have given that an educators at a college were classified according to gender and academic rank.

Q: A spinner contains the numbers 1 through 50. What is the probability that the spinner will land on a…

A: spinner contains numbers 1 through 50. s:{1,2,3,.......49,50}total possible outcomes = 50P(spinner…

Q: A box contains 3 red balls and 4 blue balls. If two balls are drawn in succession, what is the…

A: Given that  Total balls=3+4=7 Red balls=3 Blue balls=4 Find  P(red and other blue)

Q: A single die is tossed six times. Find the probability that a two appears exactly 3 times.

A: Here to find the probability of getting 2 exactly 3 times we will use binomial distribution to solve…

Q: An urn contains 5 red and 4 white balls. Two balls are drawn in succession without replacement. If…

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Q: An office has 6 men and 12 women employees.  Three employees are picked at random for a trip to…

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Q: A dish contains 2 yellow, 4 red, 5 purple, 2 green, and 3 orange candies. You grab a handful of 9…

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Q: A 2-card hand is drawn from a standard deck of 52 playing cards. Find the probability that the hand…

A: select 2 card hand from 52 card deck.  there are 13 heart card and 39 non heart cards.  P(exactly 2…

Q: poker hand consisting of 9 cards is dealt from a standard deck of 52 cards. Find the probability…

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Q: There are 6 oranges, 5 apples and 5 mangoes on the basket. Sam got two fruits at random without…

A: 6 oranges 5 apples  5 mangoes ________________ 16 total fruits

Q: Suppose a jar contains 6 red marbles and 26 blue marbles. If you reach in the jar and pull out 2…

A: GivenA jar contains No.of red marbles = 6No.of blue marbles = 26Total no.of marbles = 32

Q: In a class of 27 students, 7 wear glasses. 3 students are picked at random. Find the probability…

A: 7 wear glasses20 not wear glasses______________________27 total students in class select 3 students…

Q: A card is drawn from a full pack. Find the probability that it a King or a Queen

A: There are 52 cards in a standard Deck Number of king = 4 Number of Queen = 4

Q: A bag contains 11 $50 bills and 75 $1 bills. 19 bills are drawn without replacement. Find the…

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Q: Determine the probability that 31​, 32​, 33​, 34​, or 35 flights will arrive on time

A: We have given that Sample size, n = 39 Probability of success, p = 0.819

Q: A cooler contains 100 ice cream bars. There are 30 Vanilla​ bars, 20 Mint Chocolate Chip​ bars,10…

A: Given :- Number of ice cream bars a cooler contains = 100. Number of vanilla bars = 30 Number of…