y in that week to call the electrician. determine the probability that the electrician does not have a job at least on one working day

Q: A student is selected at random from a group of 200 students. In which 135 take math, 85 take…

A: Given data: Total number of students =200 Number of students who took Math = 135 Number of students…

Q: e numbered 1, 2,  and 3. Three black cards are numbered 4,  5,  and 6. The cards are placed in a box…

A: Given: n(red) = 3 (1,2,3) n(black) = 3 (4,5,6) n(drawn) = 1

Q: Suppose a jar contains 19 red marbles and 10 blue marbles. If you reach in the jar and pull out 2…

A: Given that : A jar contains  Red marbles = 19 Blue marbles = 10  Total marbles = 29   By using the…

Q: one out of every 119 tax returns that a tax auditor examines requires an audit. Find the probability…

A: Given, 1 in 119 tax returns requires an audit using geometric distribution

Q: The digits 5, 6, 7, 8, and 9 are randomly arranged to form a three-digit number. (Digits are not…

A: Given The digits 5, 6, 7, 8, and 9 are randomly arranged to form a three-digit number. (Digits are…

Q: card is drawn from a standard deck of 52 playing cards. Find the probability that the card is an ace…

A: Total cards (T)= 52Heart cards (H)= 13Ace cards (A)= 4Heart and Ace cards (H and A)= 1

Q: LeBron James makes 73% of his freethrow attempts. Calculate the probability that LeBron makes…

A: Introduction: A Binomial is a type of distribution which has two possible outcomes. i.e., either…

Q: One card is selected at random from a deck of cards. Find the probability that the card selected is…

A: Total number of card=52 Total no of spade card including queen of spade=13 Total.no of queen other…

Q: Computer 911 Hot Line receives on average 15 calls per day asking for assistance. For any randomly…

A:

Q: A survey found that 5% of people believe that they have seen a UFO. Choose a sample of 13 people at…

A: Let x be the number of people believe that they have seen a UFO which follows binomial distribution…

Q: In a statistics class of 42 students, there were 11 men and 31 women. Six of the men and seven of…

A:

Q: A pair of dice are tossed twice. Find the probability that the first roll is a total of at least 5…

A:

Q: An unprepared student makes random guesses for the ten true/false questions on a quiz. Find the…

A: The probability that there is at least one correct answer is obtained below:From the given…

Q: A bag contains 2 red marbles, 5 green marbles, and 7 blue marbles.  You randomly draw a handful of 4…

A:

Q: Find the probability that a child flipping an old coin gets the second head on the 8th flip.

A: Here, x=8, k=2 and p=0.5. The general formula for the negative binomial distribution is,…

Q: Three people are selected randomly from a group consisting of 5 parents and 9 children. Find the…

A: Ans# - Given three people are selected randomly from a group consisting of 5 parents and 9 children.…

Q: One card is drawn from a deck of 52 playing cards. Find the probability the card is a red Jack or…

A: In a pack of 52 playing cards,no.of red jack cards=2no.of black cards=26

Q: find the probability that the educator is a female or an associate professor

A: We have given that an educators at a college were classified according to gender and academic rank.

Q: A card is drawn at random from a box of 20 cards numbered from 1 to 20. Find the probability of…

A: Given,cards numbered from 1 to 20.and a number which is multiple of 4 from 1 to 20 is4,8,12,16,20

Q: A single card is drawn from a deck. Find the probability that the card is either red or a face card.

A: Given a single card is drawn from a deck. To find the probability that the card is either red or…

Q: Two dice are rolled in succession and it is known that the sum is five, six, or seven. Find the…

A:

Q: Two cards are selected from a standard deck with replacement. Find the probability that they are…

A: Given that Total cards=52 Number of hearts cards=13 p=Number of hearts cards/Total cards…

Q: An office has 6 men and 12 women employees.  Three employees are picked at random for a trip to…

A:

Q: Mario has a number cube with wife’s numbered 1 through 6. He rolls the number cube twice. He rolls…

A: Solution of this question is

Q: A single card is selected from a standard deck of 52 cards. Find the probability that the card is a…

A:

Q: 3 cards are drawn at random from a standard deck. Find the probability that all cards are hearts.…

A: Given,no.of heart cards=13no.of face cards=12no.of even number cards=24Total no.of cards=52

Q: A card is drawn from a well shuffled pack of playing cards. Find the probability that it is either a…

A: Given,A card is drawn from a well shuffled pack of playing cards.We need to find the probability…

Q: A die is rolled. Find the probability that the number turned up is between 1 and 4.

A: Given,if A die is rolled. then sample space(S)S={1,2,3,4,5,6}n(S)=6

Q: You are dealt one card from a 52-card deck. Find the probability that you are dealt a club or a…

A:

Q: Find the probability that the first coin is a nickle given that the second coin is a quarter.

A: It is given that No. of quarters = 2No. of dimes = 1No. of nickels = 3Total coins = 6

Q: A pair of dice are tossed twice. Find the probability that the first roll is a total of at least 7…

A: We first make a table for the outcomes sum Outcomes Number of outcomes 2 (1,1) 1…

Q: An airplane has 100 seats for passengers. Assume that the probability that a person holding a ticket…

A: Solution: Let X be the number of persons holding a ticket appears for the flight. From the given…