a community swimming pool there are 2 managers, 8 lifeguards, 3 concession stand clerks and 2 maintenance people. If a person is selected at random, find the probability that the person is either a lifeguard or a manager.

Q: A bag of gumballs contains 10 green gumballs, 8 orange gumballs, 12 pink gumballs and 15 red…

A: Given that A bag of gumballs contains 10 green gumballs, 8 orange gumballs, 12 pink gumballs and 15…

Q: If two marbles are drawn with replacement from a bag containing 2 blue marble, 3 white marbles, 4…

A:

Q: If there are 20 women waiting on a line to win basketball tickets, and the probability of a man…

A:

Q: n an applied mathematics course, there are 3 calculus subjects, 4 statistics subjects, 1 research…

A: Given that  In an applied mathematics course Number of calculus subjects = 3 Statistic subjects = 4…

Q: A bag of marbles contains 9 blue, 5 green, 8 red, 6 yellow, and 2 black marbles. If you reach in the…

A: Given that a bag of marbles contains 9 blue, 5 green, 8 red, 6 yellow, and 2 black marbles. Total…

Q: A pet store has 8 ​puppies, including 2 ​poodles, 4 ​terriers, and 2 retrievers. If Rebecka and​…

A: There are 8 puppies, including 2 poodles, 4 terriers, and 2 retrievers. Since Rebecka selects a…

Q: In a five children family, find the probability that there will be at most 4 boys.

A: Given There are 5 children in a family.

Q: If the probability of Ali and Hamad winning in a competition is 0.37 and the probability of losing…

A: It is given that the   probability of Ali and Hamad winning in a competition is 0.37 i.e. P(Ali and…

Q: there are 8 boys and 6 girls on a soccer team. the coach will select a captain and then select a co…

A: Given: There are 8 boys and 6 girls on a soccer team. Total members in the team: 8+6=14 Total ways…

Q: The percentage of couples where both parties are in the labor force is 62%. If 10 couples are…

A: Let X be the number of the couples are working. Then, X follows binomial distribution with…

Q: If one student is chosen at random, Find the probability that the student was male OR got an "B".

A:

Q: If one student is chosen at random, Find the probability that the student was female: Find the…

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Q: In a bucket there are 5 purple, 15 gray and 25 green balls. If the ball is picked up randomly, find…

A:

Q: A pet store has 10 ​puppies, including 3 ​poodles, 2 ​terriers, and 5 retrievers. If Rebecka and​…

A:

Q: The biology faculty at a college consists of 7 professors, 14 associate professors, 10 assistant…

A: This question can be solved using the concept of P(A U B)

Q: A bag contains 20 red marbles, 20 green marbles and 20 blue marbles. You reach in and grab 15…

A: There are totally 60 marbles in a bag out of which 20 red, 20 green, and 20 blue marbles. The number…

Q: In a bag, there are 9 gumballs, 15 chocolates, and 30 sour candies. Express the probability that the

A: Given that there 9 gumballs, 15 chocolates and 30 sour candies. Total number of candies is…

Q: high school with 200 students, 32 play football, 18 play basketball, 8 play both sports. If a…

A:

Q: The probability of selecting a four-person committee with one Democrat and three Republicans is .

A:

Q: jar contains 7 red marbles, 8 green marbles, and 4 blue marbles. What is the probability that you…

A:

Q: In a library box, are 8 novels, 8 biographies, and 8 war history books. If Jack selects two books at…

A:

Q: In a game with four players, each are dealt 13 cards from a standard 52 card deck. What is the…

A: Introduction: Each of the 4 players are dealt with 13 cards, evidently randomly, from the standard…

Q: If you are dealt 4 cards from a shuffled deck of 52​ cards, find the probability that all 4 cards…

A: The total number of outcome is 52 and select the 4 cards all 4 cards are queens.

Q: In a five children family, find the probability that there will be at least 2 boys.

A: Given: n = 5 Probability of boy or a girl = 1/2 = 0.5

Q: On a lunch counter, there are 3 oranges, 5 apples, and 2 bananas,  If 3 pieces of fruit are…

A: Givenon lunch counterNo.of oranges = 3No.of apples = 5No.of bananas = 2

Q: If two cards are drawn without replacement from an ordinary​ deck, find the probability of an ace…

A: P(an ace and a 3 being drawn)=?

Q: In a five children family, find the probability that there will be at least 4 boys.

A:

Q: If you are dealt 4 cards from a shuffled deck of 52 cards, find the probability that all 4 cards are…

A: In a deck of 52 cards, there are 13 clubs.  We can pick 4 clubs from 13 clubs in 13C4 ways   There…

Q: On a hospital staff, there are 4 dermatologists, 7 surgeons, 5 general practitioners,3…

A:

Q: There are 6 marbles in a bag, 1 blue, 1 red, 1 white,1 yellow,1 green, and 1 black. Mary picks one…

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Q: A bag contains 8 red marbles, 7 green marbles, 5 blue marbles, and 6 yellow marbles.  If you draw…

A:

Q: A bunch of mixed colored roses has 5 red roses, 3 pink roses, 2 white roses, and 2 yellow roses.…

A: Given, A bunch of mixed colored roses has 5 red roses, 3 pink roses, 2 white roses, and 2 yellow…

Q: A bag of jellybeans has 7 red, 12 black, and 14 blue. We select a jellybean, eat it (do not replace…

A:

Q: A pet store has 6 ​puppies, including 2 ​poodles, 2 ​terriers, and 2 retrievers. If Rebecka and​…

A: Given that, there are 6 puppies, including 2poodles ,2 terriers, and 2 retrievers . therefore ,  the…

Q: Dad’s music collection includes 5 rock music albums, 3 classical music albums, and one love song…

A: Given that  Total music albums = n = 5 + 3 + 1 = 9 Rock music albums = 5 Classical music albums = 3…

Q: Tara has two bags of marbles 6 red marbles, 5 blur marbles, and 4 green. the second bag contains 3…

A:

Q: If one ball is drawn on each bag, what is the probability of getting a green ball and a yellow ball?

A: One bag contains 4 white balls, 3 green balls, and 3 yellow balls.  A second bag contains 2 white…

Q: In a pizza restaurant, 95% of the customers order pizza. If 65% of the customers order pizza and a…

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: A wallet contains 8 P100 bills, 3 P200 bills, 4 P500 bills, and 2 P1000 bills. You randomly choose 9…

A: Given, A wallet contains 8 P100 bills, 3 P200 bills, 4 P500 bills, and 2 P1000 bills Total bills =…

Q: A pet store has 12 ​puppies, including 5 ​poodles, 5 ​terriers, and 2 retrievers. If Rebecka…

A: Given: Total number of puppies=12 Number of poodles=5 Number of Terries=5 Number of retrievers=2 The…

Q: store has 4 red sport cars and 5 white sports car for sale. If two customers purchased a car, find…

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Q: In a high school graduating class of 100 students, 54 studied mathematics, 69 studied history, and…

A: Given data,Number of students n=100studied Mathematics is n(M)=54Studied History is n(H)=69Studied…

Q: If two marbles are drawn without replacement from a bag containing 1 blue marble, 2 white marbles, 3…

A: 2 marbles are drawn without replacement from a bag containing 1 blue marbles 2 white marbles 3 green…

Q: If one of the 1156 people is randomly selected, find the probability that the person is a man or a…

A:

Q: If a bag contains 4 green apples and 3 red apples and one piece of fruit is picked at random what is…

A: Given information- We have given that a bag contains 4 green apples and 3 red apples. One piece of…

Q: A fish pond at a carnival contains 135 gold fish, 88 Cory cats, 47 tetras, and 180 angelfish. If…

A: It is given that, A fish pond at a carnival contains 135 gold fish, 88 Cory cats, 47 tetras, and 180…

Q: On a hospital staff, there are 4 dermatologists, 7 surgeons, 5 general practitioners,3…

A: Given,no.of dermatologists=4no.of  surgeons=7no.of general practitioners=5no.of psychiatrists=3no.of…

Q: If you are dealt 4 cards from a shuffled deck of 52​ cards, find the probability that all 4 cards…

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

Q: A student has a total of 10 books and 3 of her books are science fiction. If she arranges them on a…

A: Given, A student has a total of 10 books and 3 of her books are science fiction she arranges them on…

Q: On a hospital staff, there are 4 dermatologists, 7 surgeons, 5 general practitioners,3…

A: Given that, Dermatologists (D)= 4 Surgeons(S)= 5 General Practitioners (G)= 5 Psychiatrists (P)= 3…