A bag contains n + 1 coins. It is known that one of these coins shows heads on both sides, whereas the other coins are fair. One coin is selected at random and tossed. If the probability that toss results in heads is 7/12, then find the value of n.

Q: golf ball is selected at random from a golf bag. If the golf bag contains 8 black ​balls, 11 yellow…

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Q: In a homicide case 3 different witnesses picked the same man from a line up. The line up contained 5…

A: We have given that In a homicide case 3 different witnesses picked the same man from a line up The…

Q: You have two unfair coins.  One coin has a probability of 0.55 of landing heads, and the other coin…

A: Given that  You have two unfair coins. One coin  Probability of landing head P(H1 ) = 0.55…

Q: Two cards are drawn at random from an ordinary deck of 52 cards. Find the probability that the…

A: The provided information is There are 52 cards of deck. We find the probability the 2-card hand…

Q: Nine people, named Anna, Bob, Chandra, Darlene, Ed, Frank, Gina, Hank, and Irene, will be…

A: Total number of people who attend the interview = 9   The probability of an event A is: P(A) =…

Q: When three basketball players are about to have a​ free-throw competition, they often draw names out…

A: From the provided information, The total possibilities of drawing their names can be obtained as:

Q: Suppose that 10% of people own dogs. If you pick two people at random, what is the probability that…

A: From the provided information, 10% of people own dogs that is p = 0.10 Sample size (n) = 2 X~B (2,…

Q: A group of people were asked if they had run a red light in the last year. 471 responded "yes", and…

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Q: A box contains five balls. Two balls are drawn and are found to be white. If the probability that…

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Q: An opaque bag contains 13 yellow and 12 teal marbles. If two marbles are randomly chosen from the…

A: Answer: From the given data, number of yellow marbles = 13 number of teal marbles = 12 Total number…

Q: In a class of 15 students there are 5 boys and 10 girls If a committee of 6 students is selected at…

A: 5 - boys 10 - girls ____________ 15 - students in class select committee of 6 students. p( 3 boys…

Q: In a class of 10 students there are 4 boys and 6 girls. If a committee of 3 students is selected…

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Q: Two different missiles are shot simultaneously at a practice target. If the probability of the first…

A: Given that  The probability of the first one hitting the target=P(A) =1/4 The probability of the…

Q: Suppose you have 10 drinks, 6 regular and 4 diet, in a cooler. You select two at random. Answer the…

A: Given that there are 10 drinks in a cooler. Which are 6 regular and 4 diet, two drinks selected at…

Q: Some Ajman license car plates have one letter followed by a number with 4 digits .(No restriction…

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Q: Consider two boxes: box I contains 3 blue and 2 red marbles; box II contains 3 blue and 5 red…

A: First, we need to identify the total number of outcomes. In this case, we have two boxes, each with…

Q: Suppose that 65% of people are voting in the election. If you pick two people at random, what is the…

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Q: An urn contains 4 white balls and 6 red balls. A second urn contains 7 white balls and 3 red balls.…

A: given that…

Q: From a group of 10 choldren, a team of 5 (the red team) is randomly chosen. The remaining 5 children…

A: Given from a group of 10 children, a team of 5 children is randomly chosen. The remaining 5 children…

Q: Suppose 15% of cereal boxes contain a prize. You are determined to buy cereal boxes until you win a…

A: Given:  p = 0.15 Let X represents the number of cereal boxes X follows geometric distribution

Q: In a second-grade class containing 13 girls and 9 boys, 2 students are selected at random to give…

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Q: A box contains red and green balls. Two balls are randomly selected without replacement. The…

A: We have to find given probability..

Q: Two bolts are drawn from a box containing 6 good and 8 bad bolts. Find the probability that the…

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Q: A jar contains 6 poker chips: 3 blue, 2 red and 1 white.  You randomly select two chips from the…

A: Given data, Number of Blue chips= 3 Number of Red chips= 2 Number of white chips=1 Total number of…

Q: A group of people were asked if they had run a red light in the last year. 470 responded "yes", and…

A: Given that,  Response, Yes = 470 Response, No= 283 Total responses = Yes+No = 470+283 n= 753

Q: Suppose that the probability that a child living in an urban area in the United States is obese is…

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Q: An urn contains five white balls and six red balls. The second urn contains 8 white balls and four…

A: Given data: The numbers of white balls in the first urn are W1=5. The numbers of red balls in the…

Q: The digits 2, 3, 4, 5, 6, 7, and 8 are randomly arranged to form a​ three-digit number. ​ (Digits…

A: Given digits are2,3,4,5,6,7and 8