Three airlines serve a small town in Ohio. Airline A has 53% of all scheduled flights, airline B has 32% and airline C has the remaining 15%. Their on-time rates are 76%, 64%, and 45%, respectively. A flight just left on-time. What is the probability th it was a flight of airline A? Probability = %3D

Q: Your factory has seven safety systems. During an emergency, the probability of any one of the safety…

A: Given data: p = 0.06 n = 7 To find: The factory will be in danger if more than four safety systems…

Q: Northside Middle school has 480 sixth-grade students; 55% are girls and 45% are boys. The school…

A: Define event G as the student is a girl. Define event B as the student is a boy. Define event O as…

Q: Three friends went for coffee, and they decided to toss a coin to determine who paid the bill:…

A: Three friends went for coffee, and they decided to toss a coin to determine who paid the bill:…

Q: A salesman finds he can make one sale for every four calls he makes. If he makes five sales calls,…

A: Let, X=the number of sales he makes n=number of trials= 5 p=probability of success= 1/4=0.25 X…

Q: An elementary school art class teacher plans to display artwork next to the door of each of the…

A: The number of doors in the school are 37. The number sculpture teacher have 22. The number of oil…

Q: Danielle buys a bag of cookies that contains 8 chocolate chip cookies, 6 peanut butter cookies, 6…

A:

Q: A diabetes test is positive 85% of the time when the patient has diabetes and negative 95% of the…

A: Given data:- Diabetes test is positive 85% of the time when the patient has diabetes  diabetes test…

Q: What is the probability that John's cookie contains 3 raisins?

A: Alice bakes chocolate raisin cookies in batches of 150. She puts 450 raisins into the dough. When…

Q: n average cleo catches a fish on 45% of the times that he casts his fishing line. If he casts his…

A: Given data, Proportion of cleo catches a fish is p=45% =0.45 n=15 what is the probability that he…

Q: The Senate consists of 100 senators, of whom 34 are Republicans and 66 are Democrats. A bill to…

A: Probability tree: The probability tree is shown below:

Q: The probability that Sam parks in a no-parking zone is 6%, and the probability that Sam cannot find…

A: The probability that Sam parks in a no-parking zone = 0.06 The probability that Sam cannot find a…

Q: What is the probability he will score for the first time on his fifth shot? What is the probability…

A: Given Data Probability of success,p = 0.18 )

Q: A school district purchases 200 surface pros, 150 macbooks, and 150 chromebooks. The district…

A: According to the classical definition of probability, Probability of an event E=Number of favourable…

Q: As you shop for dog treats, a seller advertises that 95% of veterinarians recommend their treats.…

A: The probability distribution function of binomial distribution is: Where, n = sample size, x =…

Q: The number of customers arriving at the outtakes food stand during lunch hour is poison distributed…

A: Solution: Let X be the number of customers will arrive in one minute during lunch hour. From the…

Q: A baseball player has a lifetime batting average of 0.213. If, in a season, this player has 365 "at…

A:

Q: Felix states that he is able to distinguish a freshly ground coffee blend from an ordinary…

A:

Q: Ace Heating and Air Conditioning Service finds that the amount of time a repairman needs to fix a…

A:

Q: Serious worker injuries at a coal mining company average 2.7 per year.  Given that safety conditions…

A: # Serious worker injuries at a coal mining company average 2.7 per year.  Given that safety…

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: basket contains 7 yellow apples and 4 red apples. Margo picks two apples without looking. a. What…

A:

Q: Three airlines serve a small airport. Airline A has 55% of all scheduled flights, airline B has 33%…

A:

Q: In a statistics class there are 18 juniors and 10 seniors; 6 of the seniors are females, and 12 of…

A: Given Information: There are 18 Juniors, 10 seniors in a statistics class. 6 of the seniors are…

Q: A bag contains three red marbles, two green ones, one fluorescent pink one, two yellow ones, and…

A: There are total (3+2+1+2+3)=11 marbles in the bag. Suzan grabs 4 at random. There are (11-1)=10…

Q: Xerxes, Regina, Murray, Norah, Stav, Zeke, Cam, and Georgia  are invited to a dinner party.  They…

A: GIVEN DATA : Xerxes, Regina, Murray, Norah, Stav, Zeke, Cam, and Georgia arrive in a random order…

Q: clothing store has 12 customers in 1 hour. a. What is the probability of having 2 customers in 15…

A: In 60 minutes = 12 customer In 1 minute =12/60 customer In 15 minutes= (12/60)*15…

Q: The probability that Sam parks in a no-parking zone and gets a parking ticket is 6%, and the…

A: The probability is used to calculate the probability of an event occur. Let A be the event, the…

Q: Little Ruby's Halloween candy bag contains 20 bars of chocolate and 30 boxes of Nerds. What is the…

A: Computing the probability that Ruby selects a chocolate bar:

Q: A couple decided to have 5 children. (a) What is the probability that they will have at least one…

A:

Q: DJ music store gets its supply of CDs from New York and San Francisco. New York supplies 65% of its…

A: Suppose   E  = Supply of CDs from New York                 E'  = Supply of CDs from Francisco…

Q: Xerxes, Murray, Norah, Stav, Zeke, Cam, and Georgia  are invited to a dinner party.  They arrive in…

A: GivenThere are total 7 peopleTotal no of ways they can arrive is 7!No of ways Xerxes arrives first =…

Q: Find the indicated probability. In general, after a group makes a reservation at a restaurant, they…

A: This is a binomial distribution problem as it has two possibilities (show up/do not show up). The…

Q: In tennis scoring, a ‘game’ is won by the first player to win 4 points. Suppose player A has…

A: The given score is 4-1. This means the total number of matches played= 4+1=5 Player A won 4 times.…

Q: Shoppers can pay for their purchases with cash, a credit card, or a debit card. Suppose that the…

A: Given problem Given that   Shoppers can pay for their purchases with cash, a credit card , or a…

Q: Haroldo, Xerxes, Regina, Shaindel, Murray, Norah, Stav, Zeke, Cam, and Georgia are invited to a…

A: Given data:   The total number of guests invited to the party is n=10.   The expression for the…

Q: 40.Grade 10 is composed of 30 students. There are 3 boys and 27 girls. Suppose that a committee of 3…

A: If there are n mutually exclusive, exhaustive and equally likely outcomes of a random experiment and…

Q: Esmeralda buys a bag of cookies that contains 5 chocolate chip cookies, 8 peanut butter cookies, 5…

A: It is given that a bag contains 5 chocolate chip cookies, 8 peanut butter cookies, 5 sugar cookies…

Q: A basketball player has a free throw percentage of 93%. What is the probability she misses at least…

A:

Q: An Elementary school club has 6 boys and 8 girls. If a committee of 5 officers is selected, find the…

A: Total number of committees possible=C145=2002 PExactly 3 girls=No of committees containg exactly 3…

Q: Three airlines serve a small town in Ohio. Airline A has 48% of all scheduled flights, airline B has…

A: According to the given information, PAirline A=0.48 PAirline B=0.33 PAirline C=0.19 POn time /…

Q: Harold,xerxes, Regina,shaindel,Murray,Norah and Georgia are invited to a dinner party. They arrive…

A: Harold,xerxes, Regina,shaindel,Murray,Norah and Georgia are 7 persons.  The first person can come in…

Q: A box contains 500 envelopes of which 75 contain P1000 in cash, 150 contain P500, and 275 contain…

A:

Q: A couple decided to have 3 children. (a) What is the probability that they will have at least two…

A:

Q: Javier's Deli packs lunches for a school field trip by randomly selecting sandwich, side, and drink…

A: Number of options for sandwich=3 (PB&J, turkey, ham and cheese) Number of options for a side=2…

Q: A shipment of 7 microwave ovens contains 2 defective units. A restaurant buys four of these units.…

A: Given information- Total no. of microwave N = 7 Number of defective units k = 2 So, Number of…

Q: In a school 30% of students like ice cream and of those who like ice cream, 10% like cake. What is…

A: Define following two events:   A: a student likes ice cream B: a student likes cake.    Following…

Q: What is the probability that Xeres arrives first?

A: Here given Haroldo, Xerxes, Regina, Murray, Norah, Stav, Zeke, Cam, and Georgia  are invited to a…

Q: Transportation officials tell us that 90% of drivers wear seat belts while driving. What is the…

A: Let p be the probability that driver wear seat belt. n=600, p=0.90,  P(525<X<530)= ?

Q: The management of the large department store in Example B.1 must determine whether more training is…

A: Given: The clerk at the customer service desk can serve an average of three customers per hour. So,…

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.