In a class of 30 students, 12 have a cat and 19 have a dog. There are 6 students who do not have a cat or a dog. What is the probability that a student chosen randomly from the class has a dog?

Q: If 5 cards are dealt from a standard deck of 52 cards, what is the probability that 3 are red and 2…

A: Given information: 5 cards are dealt from a standard deck of 52 cards. Need to find the probability…

Q: At a certain​ hospital, 18 patients have lung​ cancer, 16 patients​ smoke, and 14 have lung cancer…

A: It is given that, The hospital contains 90 patients. Number of patient who has lung cancer = 18…

Q: In a group of 25 boys, 20 play ice hockey and 17 play baseball. They all play at least one of the…

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Q: If one card is randomly chosen from a standard deck, what is the probability that a black 7 is…

A: Introduction: Suppose an experiment has a total of n mutually exclusive and exhaustive outcomes. If…

Q: In an assembly of 200 people there approximately 2% of them are civil engineers. If we randomly…

A: Givenn=200p=0.02x=no.of people being civil engineersx~Binomial(n=200,p=0.02)P(X=x)=Cxn px (1-p)n-x…

Q: In a group of 15 people 5 can speak german. If 3 people are selected at random to be sent on a…

A: Total number of persons = 15 Number of persons who speak German = 5 Sample size = 3

Q: In a class of 10, there are 5 students who play soccer. If the teacher chooses 2 students, what is…

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Q: At a certain college, there were 600 science majors, 200 engineering majors, and 400 business…

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Q: In a class of 50 students, 29 are Democrats, 11 are business majors, and 5 of the business majors…

A: It is given that in a class of 50 students, 29 are Democrats, 11 are business majors, and 5 of the…

Q: 2. Dario puts 44 marbles in a box in which 14 are red, 12 are blue, and 18 are yellow. If Dario…

A: Given Dario puts 44 marbles in a box in which 14 are red, 12 are blue, 18 are yellow.

Q: If 5 persons are to be seated in a round table, what is the probability that a certain boy and girl…

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Q: In a math class of 30 students, 17 are boys and 13 are girls. On a unit test, 4 boys and 5 girls…

A: Given,no.of boys=17no.of girls=13total no.of students=30

Q: In Noura's art class, 1 out of 5 paintings that she makes will be chosen for an art show. If she is…

A: Note:  Hi there! Thank you for posting the question. As your question has 2 different values,  text…

Q: A box contains 8 green pens, 6 blue pens, and 6 red pens and you ask a friend to pick 3 pens without…

A: Note : Since you have asked multiple questions, we will solve the first question for you. If you…

Q: A man has 4 pairs of shoes, 2 suits, and 5 shirts. If he picks a pair of shoes, a suit, and a shirt…

A: It can be assumed that the man has only 1 pair of favorite shoes out of the 4 pairs he has, 1…

Q: If 3 people are randomly selected from all the people in the four cities, what is the probability…

A: From the bar chart, it is clear that 42.767 (in thousands) are from Edmonds and 56.752 (in…

Q: If 63% of the people at a certain conference are doctors, 48% are women, and 39% are doctors, what…

A: The following information has been given: The probability that people at a certain conference are…

Q: A bag contains 2 red marbles, 3 blue marbles, and 5 green marbles. If a marble is randomly selected…

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Q: 7 people, including Dexter and Darwin, have put their name in a lottery to win free bagels. If 4…

A: Introduction: According to the permutation rule, if r distinct items are to be chosen from n items…

Q: In a class, there are 30 students from Ankara, 50 from Istanbul and 20 from other cities. If a…

A: We have given, 30 student's from Ankara, 50 student's from Istanbul,  20 student's from other…

Q: Alice has 8 pennies, 4 nickels, 2 dimes, and 6 quarters in her pocket. If one coin is drawn…

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Q: If out of a population consisting of 40% Hindus, 30% Muslims, 20% Sikhs, and 10% Christians, 10…

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Q: A basket contains 6 apples, 5 bananas, 4 oranges, and 5 guavas. Dominic randomly chooses one piece…

A: Given that a basket contains  6 Apples 5 Bananas 4 Oranges 5 Guavas

Q: A class consists of 23 women and 31 men. If a student is randomly selected, What is the probability…

A: Given data, No of Men=31 No of women=23 Total no of students=23+31= 54 P(Student is man)=?

Q: Out of forty student, 14 are taking English composition and 29 are taking Chemistry. If five…

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Q: The cheerleading squad is made up of 12 girls. A captain and a co-captain are selected at random.…

A: Given that there are total 12 girls.  We need to select a captain and a co-captain. Those are 2…

Q: If there are 20 women and 10 men in a class, and you randomly picked out one person, what is the…

A: given there 20 women and 10 men we want to find the probability picked a woman ?

Q: A class consists of 17 men and 65 women. If a student is randomly selected, what is the probability…

A: It is given that Number of men = 17 Total = 17 + 65 = 82

Q: In a family of 6 children what is the probability there are exactly 4 girls?

A: Solution: 9. Let X be the number of girls and n be the sample number of children. From the given…

Q: A hotel has 20 rooms on the first floor, 60 rooms on the second floor, 40 rooms on the third floor,…

A: Probability: The formula for probability of an event E is as follows:

Q: The athletic department of a school has 16 full time coaches, and 4 of them are female. The director…

A: According to the combination rule, if r distinct items are to be chosen from n items without…

Q: Of 100 job applicants to the United Nations, 20 speak French, 30 speak German, and 14 speak both…

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Q: In a group of 100 students, 80 study Physics, 90 study Math and 5 study none of the subjects. What…

A: The union of events A and B is defined as n(A ∪ B) = n(A)  + n(B) – n(A ∩ B).

Q: A bag contains 4 red marbles, 3 blue marbles, and 7 green marbles. If a marble is randomly selected…

A: Given data, Red marbles=4 Blue marbles=3 Green marbles=7 Total no of marbles=14 P(Marble is blue)=?

Q: In genetics class, 6 students have green eyes, 3 students have blue eyes, and 11 have hazel eyes. If…

A: In genetics class, 6 students have green eyes, 3 students have blue eyes, and 11 have hazel eyes. If…

Q: A box has 18 blue hats and 30 red hats. If you pick 2 hats without replacement, what is the…

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Q: In a large county in Central Texas, 41% of all registered voters are Democrats and 33% are…

A: It is given that the probability of registered voters are democrats is 0.41 and the probability of…

Q: If 9 cards are dealt from an ordinary deck of 52 playing cards, what is the probability that exactly…

A: Solution: A standard deck of 52 playing cards contains 4 kings and 52–4=48 are non-kings. Here, 9…

Q: In a group of dogs, 20 dogs are poodles and 30 dogs are beagles. If a dog is selected at random,…

A: We want to find the probability a beagle is selected

Q: At a certain hospital, 36 patients have lung cancer, 28 patients smoke, and 24 have lung cancer and…

A: Topic = Probability

Q: If you select one card at random from a standard deck of 52 cards, what is the probability of that…

A: topic- probability

Q: If one card is randomly selected from a deck of cards, what is the probability of selecting a jack…

A: Concept of probability:Probability deals with the likelihood of occurrence of a given event. The…

Q: A class consists of 70 women and 20 men. If a student is randomly selected, what is the probability…

A: Total number of students = 90 Number of women = 70 Number of men = 20

Q: The 52 cards in a shuffled deck are dealt equally among four players, call them A, B, C, and D. If A…

A: According to the provided information, The 52 cards in a shuffled deck are dealt equally among four…

Q: If 4 cards are dealta from a standard deck of 52 cards, what is the probability thatthat 3 will be…

A: According to formula of combination, the number of ways to select r objects from n objects is equal…

Q: In a certain community, 40% of the family have a pool in the backyard, 65% have kid(s) and 30% have…

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Q: If a sack contains eight blue marbles and ten red marbles, and you randomly select four, what is the…

A: The sack contains 8 blue and 10 red marbles.

Q: An urn contains 40 red balls, 30 green balls, 25 blue balls, and 10 yellow balls. If Alicia randomly…

A: Given, A urn contains 40 red balls, 30 green balls, 25 blue balls and 10 yellow balls. Probability =…

Q: You are in a 12-member panel. If two people from the panel are selected to represent the panel, what…

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Q: If a fiancial services committee had 60 members, of which 10 were women, if 8 members are selected…

A: From the given information,   Total members = 60 Number of women = 10 Number of men = 60 -10 = 50