Out of 800 families with 5 children each, how many would you expect to have, (i). 3 boys (ii) Either 2 or 3 boys?

Q: How many choices are there for a person to check out 4 CDs from a library that has 25 CDs of his…

A: Given : n = 25 x = 4

Q: You must select 3 individuals from a group of 5 for a conference. How many teams of 3 might you…

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Q: Kara did a survey to determine to study the types of pets that students in her school had. She…

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Q: How many different ways can 3 outfielders and 4 infielders be chosen from 9 outfielders and 7…

A: Given: How many different ways can 3 outfielders and 4 infielders be chosen from 9 outfielders and 7…

Q: An ice-skating rink inspects 25 pairs of skates and finds 2 pairs to be defective. rink has 150…

A: Given       an ice -skating rink inspects 25 pairs of skates…

Q: How many ways can 5 horses come in first, second, and third place in a horse racing competition?

A: How many ways can 5 horses come in first, second, and third place in a horse racing competition:…

Q: In an election for Homecoming King, 500 votes are tallied for 3 candidates: Bobby, Frank, and Hao.…

A: A detailed solution is given below.

Q: In a school of 200 students, a math team, consisting of 15 students, is to be formed. Two team…

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Q: The average age of a group of students is 12 years old. There are only 11-year- olds and 14-year…

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Q: A high school wants to buy six computers for its laboratory from a local supplier. The supplier has…

A: Introduction: If r distinct items are to be chosen from n items without replacement so that the…

Q: Aruni wins 30% of the games he plays on Among Us. If he plays 40 games how many should he win?

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

Q: How many ways can you select a committee of 4 student our of 10 students?

A: As per our guidelines we are suppose to answer only one question4)Given Total no.of…

Q: If 4 coins are tossed, in how many ways can they fall?

A: Each coin has two possible outcomes - heads or tails.    H = Heads, T = Tails Each of the 4 tosses…

Q: The number of ways a team of 2 players can be chosen out of 12 players is

A: For the following question,

Q: 5 Brady went to a big parade and saw 42 different marching bands. If each band had an average of(120…

A: Brady went to a big parade and saw 12 different marching bands. Each band had an average of 120…

Q: 15. Among the animals in Mang Pedro's farm are chickens and piglets. If the count is 155 heads and…

A: As per our company guidelines, we need to answer only one question. So, kindly repost the 14th…

Q: Mr. Gardose buys chocolates in boxes of 48 and then puts them into groups of 11. If he buys 93…

A: As per given information: He puts the chocolate into group of 11 Then he is putting 48×93=4464…

Q: Kristen's financial advisor has given her a list of 8 potential investments and has asked her to…

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Q: At an appliance store’s grand-opening sale, 152 customers bought a washer or a dryer. Looking at the…

A: Here we have to find the number of customers who bought only washer. The solution is following .

Q: How many ways are there to choose an arbitrary number of students (including the possibility of…

A: by using C(n,r)=n!(r!(n−r)!)

Q: How many hands of 5 cards from the deck of 52 are there?

A: Solution: From the given information, there are 52 cards and 5 cards are to be drawn at random.

Q: How many ways can you choose seven people from a group of twenty?

A: Solution: Combinations: Suppose there are n objects and r objects to be chosen. Then, combination…

Q: In a mathematics class, 21 students received an a on the third test, which is 175% of the students…

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Q: In the fourth grade of the experimental elementary school, 262 students went to Meizhou Island for a…

A: Number of students went to Meizhou Island for a spring trip=262Number of people who crossed the…

Q: Among 120 pupils, it came out that 40 like both biscuits and toffees, 16 like neither and twice as…

A: Given: total no of people=120 No. of people who like neither biscuits and toffees=16 No. of people…

Q: or a particular event, 697 tickets were sold for a total of $5250. If students paid $6 per ticket…

A:

Q: A recent survey by a local radio station shows that 3 of 8 listeners like a new song while 1/4 hate…

A:

Q: How many choices are there for a person to check out 4 CDs from a library that has 20 CDs of his…

A: Given : n = 20 x = 4

Q: The finals for the 100-meter sprint at the Olympics has 5 runners. In how many ways can they place…

A: In 60 ways they place first , second , third .

Q: If 120 more people showed up to Shakespeare in the Park than are here now, there would be 9 times as…

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Q: Out of 2000 families with 4 children each, how many would you expect to have (a) at least 1 boy, (b)…

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Q: 4. Out of 5,400 raffle tickets sold at the carnival, 180 are winners. At this same rate, how many…

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Q: Ben is studying photography, and he was asked to submit 6 photographs from his collection to exhibit…

A: Combinations: The number of combinations of r items selected from n items is, nr=n!n-r!r! Ben has 15…

Q: How many ways are there in choosing 3 books from a shelf of ( 83 ) books ?

A: The number of way for choosing 3 books from a shelf of 83 books is C383 =83!3!×(83-3)!…

Q: 5. The school has case of 144 donut holes and a case of 24 milks. If these are divided evenly among…

A: 5. Given  The school has case of 144 donut holes and a case of 24 milks.

Q: In a 10 team tournament, trophies are to be given to the top 3 places. In how many ways can the…

A: Given: There are 10 teams in the tournament and trophies are to be given to the top 3 places. Find…

Q: black hair or had a whole row to themselves (or both). Of this total, 25 had black hair and 5 were…

A:

Q: In a group of 65 video game players, 50 bought the new Pokemon game that comes in two versions. 30…

A: The formula for the union of the sets is n(A∪B)=n(A)+n(B)n(A∩B). Here, A and B are two sets. The…

Q: In a math 105 class of 32 students, a survey showed that 20 students used the . least once, 10 used…

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Q: There is a town party in Pleasantville where 6 families of 3 people each get together. If one…

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Q: How children in the exposed group have the number of finger-wrist taps in the dominant many hands…

A: Reviewing information, 2 groups are given with box plot

Q: Eight students entered the testing room that had 20 chairs evenly arranged on each side. If two of…

A: Let us assume there are three ladies A, B and C sitting beside each other. The different ways in…

Q: From a garden with 6 flower varieties, a bouquet of 3 differer types of flowers is to be picked. How…

A: using permutation and combination in these type of problems.

Q: A fan of country music plans to make a custom CD with 14 of her 26 favorite songs. How many…

A:

Q: How many ways can 3 baseball players and 2 basketball players be selected from 9 baseball players…

A:

Q: Russell has a collection of 1,200 pennies. Of these pennies, 25% are dated before 1980, 35% are…

A: We want to find number of pennies dated after 2000.

Q: How many students participated in debate team?

A: It is given that Let, A represents number of students participated in maths club B represents number…

Q: Solve by the method of your choice: In a race in which six automobiles are entered and there are no…

A: We have to find ways in which first four finishers come in.

Q: Situation Out of two thousand families with four children each, how many would you expect to have:…

A: If we consider two genders : Male and Female  The chances of having a boy or girl is equally likely…