A fair coin is tossed 4 times. What is the probability of obtaining (a) 3 heads (b) 2 heads (c) ! head (d) at least 2 heads (e) no head

Q: box A contains 5 nickels and 3 quarters, while box b contains 8 nickels and 4 quarters. A coin is…

A: Consider, A and B be the event that show that coin is chosen from box A and box B respectively. N is…

Q: In a class of 6 girls and 5 boys, what is the probability of having girls and boys seated…

A: The provided information is  6 Girls 5 Boys  The arrangement is Girls on first seat and girls on the…

Q: What is the probability of getting at least one red ball when drawing 4 balls from a box containing…

A: Given that a box contains 3 red balls, 4 white balls and 6 yellow balls and 4 balls are drawn from…

Q: bag contains 14 identical balls, 4 of which are red, 5 black and 5 white. Six balls are drawn from…

A: Number of red balls is 4. Number of black balls is 5 Number of white balls is 5. Total number of…

Q: Three students are selected randomly from a group of 3 males and 7 females. Find the  probability…

A: Introduction: A group consists of 3 males and 7 females, that is, 3 + 7 = 10 students.

Q: A family with 6 children, 3 boys and 3 girls, is there a probability that the number of boys is less…

A: There are 6 children in a family. Of which 3 are boys and 3 are girls. So, Pboy=Pgirl=12

Q: what is the probability to get 3 tails and 1 head.

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Q: A drum contains 4 black balls, 5 red balls and 6 green balls. If 6 balls are selected at random what…

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Q: What is the probability of picking a black card or a jack if prior to selection all the black cards…

A: The objective is to find the probability of picking a black card or a jack. If prior to selection…

Q: Find the probability that the coins will match if (a) two boys each toss a coin (b) three boys each…

A: A coin has 2 possible outcomes. Head(H) and tail(T)   a) When 2 boys each toss a coin then the…

Q: An institute wants to appoint 6 lecturers. There are 40 applicants of which 25 are men and 15 are…

A: Given   40 application=25(men)+15(women)  Farmula used  nCr=n!/[r!(n-r)!]

Q: You flip a fair coin 10 times. What is the probability that it lands on heads exactly 3 times? The…

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Q: A coin is biased so that its chances of landing Head is 2⁄3. If the coin is flipped 3 times, the…

A: The outcomes of flipping a coin are Head and Tail.

Q: What is the probability of obtaining four tails when a coin is flipped four times? (Enter the…

A: We have to find given probability...

Q: After her annual eye exam, Gianna will randomly select a pair of contacts from the basket containing…

A: A basket containing 5 brown pair, 7 green pair, and 4 blue pair of colored contacts.total pair of…

Q: There are 5 blue marble, 6 red marble,2 green marble, and 3 orange marble in a box. Suppose you…

A: Given , 5 blue marble, 6 red marble,2 green marble, and 3 orange marble in a box We need to…

Q: Q2: Thirteen students in a class of 20 are females. Five students are to be randomly selected from…

A: Since the question has multiple sub parts we will solve the first part . Please resend the question…

Q: What is the probability of getting the exact order of Tails, Heads and Tails in three consecutive…

A: Lets assume a fair coin have been tosses the probability of getting Head or Tail will be =0.5

Q: the couple plans to have 5 children   How many probable combinations will there be if the couple…

A: Let there are three students X, Y and Z sitting beside each other. The different ways in which this…

Q: A can hit a target three times in five shots, B two times in tive shots and C three times in four…

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Q: A team of five persons are to be selected from a group of 4men, 3 women and 3 childrens. What is the…

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