people are waiting in the basement of a building with four floors above the basement. They each get off at a random floor. What is the probability they all get off at different floors? 40 64 24 64 64 48 64

Q: a job interview, find the probability that less than three (<3 or 0,1,2) people have come for an…

A: here given, on average 3 persons come to ABC company for job interview so λ = 3 persons per day here…

Q: A class has 25 boys and 15 girls. The teacher calls on students at  random to recite. What is the…

A: Given info: A class has 25 boys and 15 girls. The teacher calls on students at  random to recite.

Q: Phones Recent research suggests that 73% of Americanshave a home phone, 83% have a cell phone, and…

A:

Q: Dylan can dunk a basketball. His success rate is 25%. During a pep rally, he was unable to make a…

A:

Q: Statistics show that about 42% of Americans voted in the previous national election. If three…

A:

Q: Phyllis drops a penny in a pond, and then she drops a nickel in the pond. What is the probability…

A: Phyllis drops a penny in a pond, and then she drops a nickel in the pond.

Q: Cooking and shopping Forty-five percent of Americanslike to cook and 59% of Americans like to shop,…

A: Given, 45% Americans like to cook. (C) 59% Americans like to shop. (S) 23% Americans like both…

Q: A job applicant estimates that his chance of passing a qualifying examination is , and his chance of…

A:

Q: A standard deck of 52 playing cards is shuffled and one card is drawn. What is the probability that…

A: A deck of card have 4 suits

Q: A fair coin will be tossed until it lands heads. What is the probability it takes four or more…

A:

Q: e) A deck of 52 cards is shuffled. Find the probability that all the red cards end up together.

A: here given ,  there are total 52 cards in deck ,  total 26 cards are red cards , 26 are black cards

Q: In 1997, Kingston had a population of 99,873 people. Since nobody in the city has more than 99,871…

A:

Q: 3. A life insurance salesman sells on the average 3 life insurance policies per week. Calculate the…

A: GivenOn the average 3 life insurance policies per weekλ=3Let "x" be the no. of policies sells in a…

Q: Andy put 8 letter cards into a box. He reaches in, chooses a card, reads the letter, and returns it…

A: Given that Andy puts 8 letter cards in the box. There are 2 cards with the letter "R".

Q: Thirty-one percent of vacationers say the primary purpose of their vacation is outdoor recreation.…

A: Given values, p = 0.31 q = 1 - p = 0.69 where p is the probability of vacationers who say that the…

Q: Dr. Pepper is running a sales promotion in which 12% of all bottles have a "FREE" logo under the…

A: Solution

Q: Sick kids Seventy percent of kids who visit a doctor havea fever, and 30% of kids with a fever have…

A: It is given that the probability of kids who visit a doctor have a fever is 0.70 and the probability…

Q: Online banking A national survey indicated that 30%of adults conduct their banking online. It also…

A: It is given that 30% of adults conduct their banking online.

Q: A tennis match requires that a player win three of five sets to win the match. If a player wins the…

A: Given: First two-match win the player has the equally likely to win

Q: Customer service of the e-commerce site where a customer is shopping wanted. As customer service is…

A: Given that, customer service of the e commerce site 60% of the time can not be reached. i.e. 40% of…

Q: There are freshmen in a business class and there are 43 students enrolled in a business class. 15 of…

A: Given: Freshman in a business class = 135 Students in a business class = 43 The number of students…

Q: probability that the committee is made up of only students of the same sex?

A: In a class there are 10 girls and 8 boys, a committee is formed with a president, a secretary and a…

Q: You think about a deck of cards and determine that the probability of drawing a heart is 13/52 =…

A: Using subjective method, probability is obtained using individuals own judgement or experience about…

Q: Q3. A Delta flight from Cincinnati to Columbus, Ohio uses a Boeing 737 with 114 seats. From past…

A: Given data P(check in ) = 0.90 =p So q = 1-p = 0.10 n =120 tickets sold Capacity of plane = 114…

Q: A spinner is divided into blue, green, and red parts. George spins the spinner 300 times. A table of…

A: Given that George spins a spinner 300 times. Also it is divide into four parts and the table for…

Q: three games, the probability that Wendy wins at least two games is:

A: here jack and wendy and jack play game in which they both toss a die once

Q: A card is drawn from a deck of cards, what is the probability that the card is black or a face card?…

A: Given

Q: Three cards are drawn from the deck (and not replaced). What is the probability that they are not…

A: There are total 52 cards in a deck.  We can pick any 3 cards from 52 cards in 52C3=22100 ways

Q: A cup on the teacher's desk contains 12 pens. There are 3 pens with blue ink and 9 pens with black…

A: Given Data: n(Blue)=3 n(Black)=9   Total=12

Q: Chauncey Billups, a current shooting guard for the Los Angeles Clippers, has a career free-throw…

A: Dear student, If you find this solution helpful please upvote ? it.

Q: The probability that an adult possesses a credit card is .65. A researcher selects two adults at…

A: P(posseses credit card ) = p = 0.65 So q  =1-p = 0.35 Select two at random

Q: FILE A recent survey by the American Accounting Association revealed 23% of students graduating with…

A: p = 0.23 n = 15 q = 1-p = 1-0.23 = 0.77 Distribution = BINOMIAL

Q: A bag contains 12 black marbles and 8 white marbles. Kirsten randomly selects a marble from the bag.…

A: The number of black marbles is 12 and the number of white marbles is 8.

Q: A party host gives a door prize to one guest chosen at random. There are 42 men and 48 women at the…

A: To detemine the required  probability using the frequency definition (of probability)

Q: You have a bag containing 2 yellow and 3 blue blocks. You reach in and randomly pick a block, record…

A:

Q: Moderators working for a large social media platform, on average, flag 30% of the social media posts…

A:

Q: You select a card from a standard deck of cardsFind the probability that the card you drew is or an…

A: Given information: In a standard deck of cards, Total number of available cards = 52 From 52 cards,…

Q: Part b) What is the probability that a randomly selected college senior who uses the career center…

A: Given: We collect a random sample of 1000 college seniors who complete job applications through the…

Q: The probability that an adult possesses a credit card is.75. A researcher selects two adults at…

A: We have to find given probability for independent events.

Q: Economics class that consist of 40 students took a test. Determine the probability if we randomly a…

A:

Q: Fourteen percent of U.S. residents are in their twenties. Consider a group of eight U.S. residents…

A: Note: Hi there! Thank you for posting the question. As there are several independent questions, with…

Q: Find the probability. A card is drawn from a well-shuffled deck of 52 cards. What is the probability…

A: We have to find given probability..

Q: Adulg female height what is the probability of a random selected female 5'10 or 70 inches? If…

A: It is given that: Consider that X is defined as the female height.

Q: The probability that an adult possesses a credit card is .75. A researcher selects two adults at…

A: we have given probability..

Q: (a) Find the probability that the number of people who say auto racing is their favorite sport is at…

A: Let X denote the number of people who say auto racing is their favorite, out of n = 400 adults. Let…

Q: In a group of 30 students, the probability that at most 25 of them like to swim is 56%. What is the…

A:

Q: An oil company conducts a geological study that indicates that an exploratory oil well should have a…

A:

Q: Three flavors of juice are offered at a school cafeteria. The table shows the number of students who…

A: The total number of students who purchased all flavors is 51+30+69=150. The total number of students…

Q: The table shows the taco options at a restaurant. Each month, the manager randomly chooses a meat, a…

A: First we need to find the total number of choices. There are 3 meat, 2 tortilla, and 3 salsa3 * 2 *…

Q: Find the probability that a randomly selected representative is female. Find the probability that a…

A: