uppose you have a jar with 20 marbles. 14 marbles are red, and 6 marbles are blue. You draw marbles one at a time from the jar, without replacing them. What is the probability of drawing a red marble, then a red marble, then a blue marble? Round your answer to at least 4 decimals.

Q: Steve has 10 biscuits in a tin. There are 3 digestive, 2 chocolate and 5 ginger biscuits. Steve…

A: Solution

Q: You roll a fair six-sided die twice. Find the probability of rolling a 1 the first time and a number…

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Q: You roll a fair six-sided die twice. Find the probability of rolling a 3 the first time and a number…

A: When two dice are rolled the no of possible outcomes is n(s)=62 =36 Let E be the event that the 1st…

Q: re A pet store has 10 puppies, including 4 poodles, 2 terriers, and 4 retrievers. If Rebecka selects…

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Q: A bag contains 6 red, 3 blue, and 7 yellow poker chips. You randomly choose 2 poker chips, one at a…

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Q: The probability that the mean height for the sample is greater than 65 inches is (Round to four…

A: It is given that  Mean, μ = 64.2 Sample size, n = 65 Standard deviation, σ = 2.55

Q: Harry tosses a nickel 4 times. The probability that he gets at least as many heads as tails

A: Harry tosses a nickel 4 times The probability that he gets at least as many heads as tails :

Q: One pen is chosen without looking from a bag that has 3 blue pens, 6 red, and 3 green. Find the…

A: Let n be the number of samples n=3+6+3 n=12 1. P(green) P(green)=312              =14(in fraction)…

Q: Find the probability of getting  3  face cards (king, queen, or jack) when  3  cards are drawn from…

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Q: Mrs. Donovan is the coach of a middle school golf team that has 10 golfers. There are 2 sixtgraders,…

A: nx =n!x!(n-x)! Selecting x items out of n items