In the Math Club, 9 of the 15 girls are seniors, and 17 of the 19 boys are seniors. What is the probability of randomly selecting a boy or a senior to represent the Math Club at a statewide math contest?

Q: A bag contains 9 black, 5 red, 7 white, and 4 purple balls. What is the probability of choosing: A…

A: We A and B are mutually exclusive then  P(A or B )=P(AUB)=P(A)+P(B)

Q: You took a 5-question multiple choice quiz with 4 choices for each question.  If you guess at random…

A: Given information- A student takes a multiple-choice test that has 5 questions. Each question has…

Q: There are 9 players on a baseball team, all with roughly equal athletic ability. The coach has…

A: We have to find given probability.

Q: find the probability of winning third prize — that is, picking 2 of the 4 winning numbers — with a…

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Q: Dave's wardrobe contains 14 T-shirts, of which 12 are gray. Dave selects a T-shirt at random. What…

A: From the provided information, Dave’s wardrobe contains 14 T-shirts. From which 12 are gray…

Q: Emerson wins 28% of all chess games. What is the probability he wins two in a row?

A: Assuming the two games are independent, P( He wins two in a row)= P( He wins the first game)*P(He…

Q: Stacy has the option of selecting three books to read for a humanities course. The suggested book…

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Q: Peter and his wife go to a dance lesson.  There are 5 other couples.  The dance instructor randomly…

A: Treating a couple as an individual, the probability of choosing Peter and his wife among 6 couples =…

Q: A physics class has 50 students. Of​ these, 16 students are physics majors and 12 students are…

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Q: Pablo randomly picks three marbles from a bag of nine marbles (four red ones, green ones , and two…

A: There are total 9 marbles. And he will pick 3 marbles from it.  He can do that in 9C3= 84 ways So 84…

Q: United States, 40% of the population has brown eyes.  If 14 p

A: Here it is given that- Sample proportion (p) = 40100=0.4 Total number of observations (n) = 14 As n…

Q: Three people are selected for a committee from 7 Democrats and 5 Republicans. What is the…

A: Given information: Frequency of Democrats, d = 7 Frequency of Republicans, r = 5 A committee of x =…

Q: Of 1100 students at Brown High School, 450 attended the first school dance of the year. Only 233…

A: Let define the events: A = Students attended the first school dance of the year B = Students…

Q: Danny selects a glass bottle from the shelf randomly without looking and then tosses the fair coin.…

A: The selection of glass bottles and tossing coins are two independent events.  So, we have to find…

Q: A grocery store manager took inventory of all the fruit to decide what needed to be donated. Of the…

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Q: In a mathematics competition, there are 10 multiple-choice questions. Each question has one correct…

A: The binomial probability formula is given by:P(X=k)=(nk)⋅pk⋅(1−p)n−kwhere:(nk) is the number of ways…

Q: There are 10 male dogs, 14 females dogs, 6 pointer dogs, and 18 retrievers.  If one dog is ramdomle…

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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: four people are selected for a committee from 6 Democrats and 4 Republicans. What is the probability…

A: The given question is based on permutation and combination Given: n=10 Democrats=6 Republicans=4 4…

Q: In a class of 20 students, there are 12 girls and 8 boys. Three students are selected to be…

A: The probability that the first student selected to be teacher's assistant will be a girl is 12/20.

Q: Of 1400 students at Brown High School, 800 attended the first school dance of the year. Only 500…

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Q: how many blue M&M’s were originally in the dish?

A: Given,  Total number of M&M's in candy dish n(total) = 16 Probability of choosing blue = 5/16

Q: A bag contains 9 pennies, 6 nickels, and 5 dimes. If a coin is randomly selected from the bag, then…

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Q: An introductory nursing class has 9 freshman males, 15 freshman females, 8 sophomore males, and 12…

A: Given data, freshman males=9 freshman females=15 sophomore males=8 sophomore females=12 Total =44…

Q: A company has 5 full-time employees and 10 part-time employees. The company president randomly…

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Q: A high school choir has 42 members, of which 21 are tenors. What is the probability that a randomly…

A: We have given that,  Total number of members = 42 Total number of tenors = 21 Then,

Q: A desk drawer contains: 4 pairs of scissors, 10 paperclips, 5 rubberbands, 6 pens, 8 pencils, and 2…

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Q: You have a group of phD. Engineers are 10 randomly selected for employment. What is the probability…

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Q: To perform during the improvisation section of their concert, the director of the school jazz band…

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Q: ent members is to be formed, what is TMMבבסס the probability of forming a committee with two A grade…

A: Given: A grade students=11 B grade students=2 C grade students=2 D grade students=0 F grade…

Q: There are 36 women and 34 men at Mr. Stover’s family reunion. They are drawing names to determine…

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