A brother and a sister appear for an interview against two vacant posts in an office. The probability of the brother's selection is 1/5 and that of the sister's selection is 1/3. What is the probability that only one of them is selected?

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

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Q: A class contains 16 boys and 10 girls of which half of the boys and half of the girls are fat. Find…

A: Given,no.of boys=16no.of girls=10no.of fat girls=8no.of fat boys=5Total no.of students=26

Q: Mr.X started his new business.The chance of Rs.40000 profit per month is 20% and the chance of…

A: given: Probability of Rs.40000 profit per month is 20%            Probability of RS.50000 profit per…

Q: In a family with 7 ​children, excluding multiple​ births, what is the probability of having 4…

A: The objective of this question is to find the probability of a family with 7 children having 4 boys…

Q: A history class is comprised of 9 female and 4 male students. If the instructor of the class…

A:

Q: A competition to catch the most rainbow trout on Lake Rainbow pitched the men against the ladies. 16…

A: P(woman) = 12/28 = 3/7 P(men) = 16/28 = 4/7 P(3 trouts) = P(3 trout | women)*P(woman) + P(3 trout |…

Q: A history class is comprised of 8 female and 6 male students. If the instructor of the class…

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Q: A die is rolled five times. A 4 is considered “success" ,while all other outcomes are "failures”…

A:

Q: Clara is a medical assistant who gives 14 people a flu shot in one day. The probability of…

A: Givenn=14p=0.14x~Binomial(n=14,p=0.14)P(X=x)=(nx)×px×(1-p)n-x    ;  x=0,1,...,n

Q: What is the probability of getting a straight or one pair?

A: In a game of poker, For getting a straight it is needed to get five cards of the same suit in the…

Q: The probability that a student in Oakland will receive a B in Kathy Williamson's statistics class is…

A: Given that, The probability that a student in Oakland will receive a B in Kathy Williamson's…

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

A:

Q: Three people are selected randomly from a group consisting of 5 parents and 9 children. Find the…

A: Ans# - Given three people are selected randomly from a group consisting of 5 parents and 9 children.…

Q: an ice just contains 4 cans of apple juice 8 cans of grape juice 5 cans of orange juice and 4 cans…

A: Solution: From the given information, an ice just contains 4 cans of apple juice, 8 cans of grape…

Q: Assume that male and female births are equally likely and that the birth of any child does not…

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Q: The probability that a student will matriculate is 0.4. Find the probability that out of 5 students…

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Q: Assume that male and female births are equally likely and that the birth of any child does not…

A: Given that, Male and female births are equally likely and that the birth of any child does not…

Q: Assuming boys and girls are equally likely, find the probability of a couple having a baby girl when…

A: The probability of having a boy=1/2 The probability of having a girl=1/2 P(couple having a baby girl…

Q: a coin and a dice roll together six consecutive times. What is the probability of encountering for…

A: Given: Number of rolls = 6 Number of faces in a dice = 6 The sample space in one roll = (H1, H2, H3,…

Q: Two cards are randomly drawn from a deck of 52playing cards. Find the probability that both cards…

A:

Q: Three balls are selected randomly from a bag containing 4 red balls and 7 blue ones. Find the…

A: From the provided information, Red balls = 4 Blue balls = 7 Total balls = 11

Q: Marco is a basketball player who succeeds 90% of his free throws. What is the probability that he…

A: the probability that Marco succeeds in minus 7 of his next 10 free throws, you can use the binomial…

Q: A laundry bag contains 8 brown socks and 3 black socks. Find the probability of picking two black…

A: Given Data: n( brown socks)=8 n( black socks)=3   Total number of socks=8+3=11

Q: The probability that a high school student get less than 5 hours of sleep on average is 35.2%. The…

A:

Q: hat is the probability that at least one of the students got a score? Round to four decimal place.

A: Let , X be the number of students got a score Here , X→B(n=3 , p=0.33) The probability mass function…

Q: The Wilson family had 7 children assuming that the probability of a child being a girl is 0.5, find…

A: Let "X" be the girl child in Wilson family

Q: An urn contains eight white balls and two red balls. A second urn contains two white balls and a red…

A: Here Take Probability of first Urn=P(F) Probability of second Urn=P(S) Probability of Red=P(R)…

Q: What is probability of getting a total of 6 or 10 when a pair of dice is tossed?

A: I solved exactly first question because of bartleby policy if you want more please uplode…

Q: Ali went to play a lucky game . If 135 tickets of this lucky game were sold and the probability of…

A: Given, n(s) = 135 P(A) = 1/9 n(A) = ?

Q: Suppose you have 5 marbles in a bag: 3 red and 2 black. If you reach into the bag without looking…

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Q: In a recent survey, 80% of the citizens in a community favored the building of a post office. If 15…

A: Solution

Q: A history class is comprised of s female and 6 male students. If the instructor of the class…

A: Given: Number of females = 8 Number of males = 6 Total number of students = 8+6…

Q: In a family of 4 Children, the probability of a male birth is 0.5. Find the probability that the…

A: Sample of size(n)=4p=Probability of a male birth=0.5q=1-pq=1-0.5=0.5

Q: You buy a milkshake from a shoppe that only has chocolate, vanilla and strawberry flavors. Find the…

A: Shoppe has only chocolate, vanilla and strawberry flavor. Number of flavors =3 We have to find the…

Q: Suppose Eman has an 85% chance of passing each time he takes a quiz. What is the probability that he…

A: The probability of passing the quiz is 85% or 0.85 Therefore the probability of failing the quiz is…

Q: There was a baseball game between Oscar and Gabe. The chance of Oscar winning is 3/5 (60%). The…

A: Given that there are 5 series in the game, so n=5, and to be an champian needs to win 3 games, that…

Q: If two people are chosen with replacement from the data, what is the probability that both are…

A: Given contingency table is :   Athletic Shoes Sandals Dress Shoes Other Total Men…