A retail shop accepts only cash or checks. Suppose that 55 of its customers carry cash, 39s camry checks, and 19% carry both cash and checks. What is the probability that a randomly chosen customer at the shop is carrying cash or checks (or both)? Wirite your answer as a decimal (not as a percentage). (Ef necessary, consult a list of formulas.)

Q: Of the drivers who stop at a gas station, 91% purchase gasoline, and 5% purchase both gasoline and…

A: Given : Of the drivers stopping at a gas station, 91% purchase gasoline, 5% purchase both gasoline…

Q: Joe rolls a 6-die and Magdalena rolls an 8-die. What is the probability that Joe rolls a larger…

A: Given information: Joe rolls a 6-faced die. The possible numbers that are rolled by Joe are 1, 2, 3,…

Q: In a recent survey of 25 voters, 17 favor a new city regulation and 8 oppose it. What is the…

A: In a recent survey of 25 voters, 17 favor a new city regulation and 8 oppose it. We have to find the…

Q: ssuming that P(green) = 0.75, what is the probability that among his 580 plants

A: Let, Xi be a random variable. Xi = 1,     if ith pea is green0,       otherwise So, Xi = 1,   with…

Q: A hair stylist knows that 87% of her customers get a haircut and 40% get their hair colored on a…

A: GivenLet "H" be the customers get haircutP(H)=0.87Let "C" be the customers get their hair…

Q: At Seaside Burgers, 14 of the last 20 customers wanted cheese on their burgers. What is the…

A:

Q: A fair coin is flipped 8 times. What is the probability of obtaining at least one H?

A:

Q: operator meets his production quota, what is the probability that he (or she) attended the program?…

A: here define events operator meet the production quota = M training attended by operator = T here…

Q: From experience, the manager of Kramers Book Mart knows that 40% of the people who are browsing in…

A: Sample size, n =10 Probability = 40% = 0.40

Q: A supplier has 200 compact discs,of which 10% are known to be defective. If a music store purchases…

A: 10% of 200 discs are defective.  So, 10% of 200=0.10x200=20 20 discs are defective and (200-20)=180…

Q: Q3/The Dallas-Fort Worth Airport claims that 80% of their flights are on time. If the claim is…

A: We have given that  n=25 , p=80%=0.80 X~Binomial(n=25,p=0.80)

Q: A salesperson knows that over the course of her career she has a 20 per cent chance of making a sale…

A: We have to find probability..

Q: d. What is the probability that a female respondent drives either a truck or an SUV? e. If it is…

A: The cross-tabulation for gender and vehicle driven data with corresponding totals is,…

Q: 24% of all students enjoy the school lunch.  If there are 2000 students at the school, what is the…

A: It is given that n=2000 and p=0.24.

Q: A customer from Cavallaro's Fruit Stand picks a sample of 4 oranges at random from a crate…

A: Let us denote X=the number of rotten orangesWe have to find P(X≥1)=1-P(X=0)Given that there are 80…

Q: In the US in 2021, 62% of households subscribed to Netflix streaming services and 57% subscribed to…

A:

Q: A pharmacist receives a shipment of 23 bottles of a drug and has 3 of the bottles tested. If 6 of…

A:

Q: On any given work day, Lillian notices that as she’s driving to school, she is first stopped by a…

A: Let T denote Train and R denote Red light. Given: PR=0.70PT=0.40 Stopped by red light and train are…

Q: It has been found that 2 out of every 10 people who visit a local store purchase milk. If we…

A: Given that 2 out of every 10 people who visit a local store purchase milk.  So the probability that…

Q: The first 20 people to arrive at the cafeteria are independent. Each has a 3% chance to request…

A: Given: Let Xi= people who arrive at the cafeteria  Xi ( i = 1 to 20) are independent. p = 0.03

Q: In your drawer you have 10 pairs of socks, 6 of which are white. If you reach in and randomly grab…

A:

Q: It has been found that 2 out of every 10 people who visit a local store purchase milk. If we…

A: Given: n=13 p=210=0.2

Q: Assuming that P(green) = 0.75, what is the probability that among his 580 plants that the number of…

A: Given that , P(green) = 0.75  Total number of plants = 580  Let, X be the number of pees with green…

Q: The Wilson family had 7 children assuming that the probability of a child being a girl is 0.5, find…

A: Let "X" be the girl child in Wilson family

Q: Mundo said that 65% of those with lung cancer smokes. If he is correct, find the probability that of…

A:

Q: The cashier line of a canteen can facilitate up to 60 customers an hour. Frequenters of the canteen…

A: Given: The frequenters of the canteen arrive at an average of λ=50 per hour. The cashier line of a…

Q: A sports commentator claims that 45% of all football injuries are knee injuries. If this claim is…

A:

Q: At a store, the average number of customers entering is 10 persons per half an hour. What is the…

A: Solution: Let X be the number of persons enter within 10 minutes. From the given information,…

Q: In recent tournaments a shooter has hit 35 of the 50 shots made. a) In the first round, what is the…

A: Given data: The given hit shots are s=35. The total given shots are n=50. a) The expression for the…

Q: What is the probability that Z is less than 1.53 or greater than 1.84​?

A: Required probability is P(Z<1.53 or Z>1.84)

Q: In a recent survey of 25 voters, 17 favor a new city regulation and 8 oppose it. What is the…

A: Explanation of the answer is as follows

Q: At a restaurant, the probability that a customer will order a nonalcohlic drink is .56. Find the…

A: From the provided information, The probability that a customer will order a nonalcoholic drink is…

Q: Find the probability that either a 6 or 7 will be obtained in one toss of a pair of dice.

A:

Q: A survey revealed that 36% of people are entertained by reading books, 30% are entertained by…

A:

Q: At Frosty Freeze, 5 of the last 20 sundaes sold had nuts. What is the experimental probability that…

A: 5 have nuts 15 have not nuts 20 total sundaes P(next sold have nuts) = ?

Q: What is the probability that A or B3 occurs? Given that B2 has occurred, what is the probability…

A:

Q: The average number of matches where the football matches of the Galatasaray football team were…

A:

Q: On average, a textbook author makes three word-processing errors per page on the first draft of her…

A: Given The author makes three word processing error per page

Q: A key shop advertises that the keys made there have a P = 0.85 of working effectively. If you bought…

A: Let "X" be the keys that would work effectively.

Q: Prior to airport construction, a survey was conducted if the residents in a certain barangay are in…

A: n=350, p=35%,  X~Bin(n=350, p=0.35) P(X≥100)=?

Q: customer from Cavallaro's Fruit Stand picks a sample of 3 oranges at random from a crate containing…

A: From the given information we want to find the probability sample contains one or more rotten…

Q: On average, a textbook author makes two word processing errors per page on the first draft of her…

A: Given,      λ=2    Let 'X' is the no. of Errors made by the author.    X~Poisson λ=2…

Q: a restaurant manager was listing the type of items not ordered by her clients, 80 percent of whom…

A: Let people who have meat be denoted by M and those who have dessert be denoted by D. Then,…

Q: (c) What is the probability (as a %) that one finalist is a woman and the other is a man?

A: In this question, only C part is showing the error, so please see the attached image.

Q: is the probability that customers B and E arrive before other customers?

A: Here 7 different customers A,B,C,D,E,F and G Here use total arrangement concept

Q: The Wilson family had 8 children. Assuming that the probability of a child being a girl is 0.5, find…

A: Given, A family had 8 children and probability of child being a girl is 0.5.

Q: What is the probability that Z is less than 1.53​?

A:

Q: The (hypothetical) table below showed the relationship between the number of hours students work at…

A: total (31+42)=73 students work more than 5 hours per week and graduates in over 6 years.