there are 3 candidates, for the second there are 4, and for the third there are 2. A candidate is interviewed for 3 posts. For the first post 3 mer are chances of his getting at least one post ?

Q: After the premiere of the new comedy Bumblebee, moviegoers were asked in a quick poll whether they…

A: Given : Total adults = 100 Number of adults who liked the movie = 80 Number of teenagers = 20 Number…

Q: Calculate E(x), expectation of X b) Calculate V(X) the variance of X

A: Given  X represents the no. of job office that slice gotX∈0,1, 2, 3, 4P(X=0) = 0.10P(X=1) =…

Q: There are 9 marbles on a table. One randomly splits them into 9. two piles and picks the pile that…

A:

Q: Suppose that in a year of 365 days, it rains on 87 days. There is lightning on 15 days. There is…

A: In question, Given that in a year 365 days, it rains on 87 days, lightning on 15 days and both…

Q: You have a bag of coins which consists of 11 blue coins and 12 red coins. How many different…

A: 11 blue coins 12 red coins ---------------------- 23 total coins We have to select 3 coins

Q: From a total of six men and four ladies a committee of three is to be formed. If Mrs. X is not…

A: Solution

Q: A group of 10 friends went on a tour in Netherland. For their Amsterdam tour, each of them had to…

A: There are 10 friends and 4 places to visit. Also, each place has to be visited by at least one of…

Q: he game starts with three players placing their shar e 50 small balloons - 45 of which are blue and…

A: 50 Balloons 45 Balloons Blue 5 Balloons Red   B P(b) BxP(b) 0     50     100…

Q: A has four shares in a lottery in which there are four prizes and five blanks. B has `3` shares in…

A: Given data  A has 4 shares: 4 prizes and 5 blanks B has 3 shares: 3 prizes and 4 blanks

Q: It's all about PERMUTATION AND COMBINATION. - A close friend invited Anna to her birthday party,…

A: Total blouses = 4 Total skirt= 3 To count total ways we can see as all 3 skirts with  first blouse =…

Q: 4. A father wants to share gifts to 7 children who won with each 1 (one) cellphone, while the rest…

A: Given information: Number of children = 7 Total number of handphone = 6 + 3 + 5 = 14

Q: Given 101 pigeons and 20 pigeonholes. We can conclude that O The probability of having an empty…

A: The pigeonhole principle states that if n items are put into m containers, with n>m, then at…

Q: At one iberal arts college, students are cassited as humantes maors, science majors, or undecided…

A: Given data At one liberal arts college students are classified as humanities majors, science majors,…

Q: you had a box of five different kinds of fruit and you could choose 2, you might get an apple and an…

A: Given that  Number of types of fruits (n) = 5 Number of fruits we could choose = 2   We know that…

Q: Morra is a hand game that dates back thousands of years to ancient Roman and Greek times. Two people…

A:

Q: This student never eats the same kind of food for 2 consecutive weeks. If she eats a Chinese…

A: From the given information,  The student never eats the same kind of food for 2 consecutive weeks.…

Q: A combination lock to a safe containing valuable jewels is opened with a 3 number sequence. If there…

A: Hello! Thank you for the question. You did not mentioned about 'with replacement and with out…

Q: Suppose that you have a combination lock that uses letters instead of numbers for its combination,…

A: Solution: The total number of letters is 26 and the lock will be opened with four letters and…

Q: 69. A candidate is interviewed for 3 posts. For the first post, there are 3 candidates, for the…

A:

Q: Suppose you play a coin toss game in which you win 1 dollar if a head appears and lose 1 dollar if a…

A: Given you win 1 dollar if a head appears and lose 1 dollar if a tail appears

Q: Four married couples have bought 8 seats in the same row for a concert. In how many different ways…

A: Four married couples have bought 8 seats in the same row for a concert. There are two possibilities…

Q: A group of 10 people consists of 2 boys, 3 girls and 5 adults. In how many ways can a team of 4 be…

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

Q: On a certain hole, a golfer knows that he has a 70% chance of reaching the green (putting surface)…

A: Probability of reaching the green in one stoke (p1) = 0.7 Probability of putting the golf ball in…

Q: Hangman is a paper and pencil guessing game for two players. One player thinks of a word, phrase or…

A: a)Only seven guesses are allowed for the player, Hence the word length can be from 4,5,6,7. If the…

Q: Draw a diagram to represent all outcomes when:                                              a) 2…

A: Given that We have to draw diagram all outcomes when  a...when 2 coins are tossed together  b..when…

Q: After the premiere of the new comedy Bumblebee, moviegoers were asked in a quick poll whether they…

A: For the given Fill all the required blanks

Q: Suppose that you and a friend are playing cards and decide to make a bet.  If you draw three twos in…

A: Given that  If you draw three twos in succession from a standard deck of 52 cards without…

Q: If you have a bag of 12 marbles half are green and half are red, what is the probobility that if you…

A: Given Data: The total number of marbles is: n=12 The number of marbles is drawn is: d=4 Half marbles…

Q: Maria and John have decided that once they live in a house, they want to have a pet. They go to an…

A:

Q: On the night our play-off was being held, a number of vehicles were in the east parking lot of the…

A:

Q: Three friends, A, B and C are in a paintball shootout. On each round, until one player remains…

A: To maximize their chances they prefer to be left with a weaker opponent. So B would not shoot at C…

Q: A student watches TV every Sunday evening. Each week she chooses from a comedy, a reality show, or…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: Three friends, A, B and C are in a paintball shootout. On each round, until one player remains…

A: For increasing their chances of surviving the shoot out , the main objective of any player is to…

Q: Suppose a student is offered a chance to draw a card from an ordinary deck of 52 playing cards and…

A: Given an ordinary deck of 52 cards.  If a student draws a card from the deck,  He wins $13 for an…

Q: If you toss a coin seven times, is more likely that heads will come up six times and tails once than…

A: A coin is tossed 7 times.

Q: Convener and a Secretary are to be chosen from group of people consisting of 50 people. Explain how…

A: i) We can select A as Convener in only 1 way. We can select Secretary from (50-1)=49 people in 49…

Q: A number is drawn at ramdom from a box. There is a 20% chance for it to be less than 10. There is…

A: A number is drawn at ramdom from a box. There is a 20% chance for it to be less than 10. There is…

Q: Consider a lottery with 100 million tickets in which each ticket has a unique number. Each ticket is…

A: If I buy 1 million tickets then my chances of winning will be 1/100. Which is still pretty low. And…

Q: Two events, A and B, are disjoint and each have a nonzero probability. If event A is known to…

A: An event is a set of outcomes in an experiment. There can be any number of sets. If the two events…

Q: If she made the last free throw, then her probability of making the next one is 0.6. On the other…

A: Given that  If she made the last free throw, then her probability of making the next one is 0.6. If…

Q: Helen wants to compare two machines in her factory to see if the wrapping was satisfactory. She…

A: There are two independent samples which are machine A and machine B. We have to test whether there…

Q: Three players enter a room and are given a red or a blue hat to wear. The color of each hat is…

A:

Q: 4) In a survey of Senior High School students, 64 had like academic track, 45 had like sports track,…

A: The given situations can be represented using a Venn diagram so that it will give a clear picture of…

Q: So far this month he has seen 59 bluejays, 68 black crows, 12 red robins, and 1 cardinal. What is…

A:

Q: A twenty-something single person is planning a ski vacation. Assume that he has 2 possible…

A: Given info: There are 2 possible destinations: Utah, and Oregon. There are 4 ski areas in Utah with…

Q: Mr. Schmidt surveyed his class and found that 70% of the students have at least one pet. If 21 of…

A:

Q: we have a 70% chance of winning a game and play 80 times, how many games do we expect to win? Again,…

A: we have a 70% chance of winning a game and play 80 times, how many games do we expect to win? Again,…

Q: After the premiere of the new comedy Bumblebee, moviegoers were asked in a quick poll whether they…

A: The number of adults like the movie is 6 out of 20.

Q: If they decide to purposely choose 2 of the 22 available dogs rather than randomly choosing any 2,…

A: Formula used: Crn=n!r!n-r!n!=n×n-1×n-2×.…2×1 Here given n=22 and r=2.