Blockbuster rented the following number of movie titles in each of these categories: 170 horror:230 drama;120 mystery,310 romance, and 150 comedies. If a person who rented one of the movies is selected at random, find the probability that a romance or comedy was rented.

Q: At a car park there are 100 vehicles, 60 of which are cars, 30 are vans and the remainder are…

A:

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: ) Jim and Paula (husband and wife) sit in the two seats on the far left is b) Jim and Paula end up…

A: Here Given Four married couple purchased theater tickets and seated in a row consisting of 8 seats…

Q: 1) Out of 55 students, 24 are taking Physics and 21 are taking Chemistry and 12 students are in both…

A: We have to find given probability.

Q: What is the probability that a randomly selected registered voter from County A voted in the recent…

A: Let us define some events A : the voter is Democrat. B : the voter is Republican. C : the voter is…

Q: 1 In a high school graduating class of 100 students, 54 studied mathematics, 69 studied history, and…

A:

Q: A foreign student club lists as its members 2 Canadians, 3 Japanese, 5 Italians, and 2 Germans. If a…

A: Answer : Canadians = 2  Japanese = 3 Italians = 5  Germans = 2 Total students = 2+3+5+2 = 12 Number…

Q: A restaurant with 25 tables has 4 tables by the window. Parties are seated randomly at the tables as…

A: As per given by the question, find the probability that the first 3 parties of the night are all…

Q: Students at University X must be in one of the following class ranks: freshman, sophomore, junior,…

A: Given that a student is in one of the following class ranks freshman, sophomore, junior or senior.…

Q: In a class, 40% of the students offered Statistics, 30% offered Mathematics, and 20% offered both.…

A: Let us define the event. A: The student offered the Statistics. B: The student offered the…

Q: A secondary school is offering two extracurricular classes, one in Photography and the other in…

A: Given that a secondary school is offering two extracurricular classes, one in Photography and the…

Q: A class in advanced physics is composed of 10 juniors, 30 seniors, and 10 graduate students. The…

A: Given data:     The numbers of juniors in the class are: n(J)=10. The numbers of seniors in the…

Q: A store purchases baseball hats from three different manufacturers. In manufacturer  A’s box, there…

A: Probability of an event obtained by dividing the number of favorable outcomes with the total number…

Q: In a cooler containing twenty-four beverages, there are seven beverages with the word "Coke" on the…

A:

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: A class has 28 students enrolled, 18 females and 10 males. 6 of the females and 4 of the males are…

A: a. Total number of students in the class is 28. If 2 students are randomly chosen from the class one…

Q: An insurance company looks at its auto insurance customers and finds that (a) all insure at least…

A:

Q: United States, 40% of the population has brown eyes.  If 14 p

A: Here it is given that- Sample proportion (p) = 40100=0.4 Total number of observations (n) = 14 As n…

Q: From a group of 100 male students in a small city college, 60 play basketball, 50 play volleyball…

A:

Q: A cooler has 12 bottles of water, 8 bottles of juice, and 5 bottles of soda. If Randy selects a…

A: The number of water bottles, W=12The number of juice bottles, J=8The number of soda bottles,…

Q: At Joe Cool University, 38% of all students have a pet dog, 51% have a pet cat, and 24% have both…

A: Let D=all students have a pet dogC=all students have a pet catP(D)=0.38P(C)=0.51P(D∩C)=0.24

Q: At a college, 71% of courses have final exams and 45% of courses require research papers. Suppose…

A: Solution-: Given: P(Courses have final exam)=0.71 (or 71%) ,P(Course have research paper )=0.45 (Or…

Q: Of all the lightbulbs manufactured at a certain factory, 95% of the lightbulbs work and 5% are…

A:

Q: a garden store has the following miscellaneous flower bulbs in a basket:  6 amaryllis 5 daffodils…

A:

Q: During one week, Jackson Motors dealership sold the following vehicles:     Toyota Ford GMC…

A: The total number of Toyota cars is 17 and the total number of GMC cars are 13. From the table it is…

Q: In a high school graduating class of 100 students, 55 studied mathematics, 63 studied computer…

A: The total number of students is 100. The number of students studied mathematics is 55. The number of…

Q: At Party City 36 visitors purchased exactly one costume for a party, 15 purchased no costume, and 21…

A: The number of visitors who purchased exactly one costume for a party is 36.

Q: From a group of 100 male students in a small city college, 60 play basketball, 50 play volleyball…

A:

Q: The Dean of the College of Computer Studies collected information about undergraduate students…

A: Given : Female taking Quameth =110  male taking Quameth=170   Female taking WebDev =100  male taking…

Q: Each of the letters A through F are written on slips of paper and placed in a hat. Priya selects a…

A: A. Each of the letters, A through F is written on slips of paper and put in a hat.

Q: In a class, 40% of the students play basketball, 20% of the students play football and 10% of the…

A:

Q: A cooler at a picnic contains 100 cans of soda covered by ice. There are 28 cans of cola, 36 cans of…

A: First we find separate probability of required soda then add each.

Q: A city has two daily newspapers, A and B. A survey of 100 residents of the city shows that 35 people…

A: Given, A survey of 100 residents of the city shows that 35 people subscribe to A, 60 subscribe to B…

Q: During one week, Jackson Motors dealership sold the following vehicles:     Toyota Ford GMC…

A:

Q: At a certain college, there were 600 science majors, 200 engineering majors, and 400 business…

A: It is given that the number of science majors is 600, the number of engineering majors is 200 and…

Q: In a high school graduating class of 100 students, 54 studied mathematics, 69 studied his- tory, and…

A:

Q: Students at University X must have one of four class ranks-freshman, sophomore, junior, or senior.…

A:

Q: • Three married couples have purchased theater tickets and are seated in a row consisting of just…

A: Given Three married couples Are seated in row consisting of just 6 seats Find out the probability.…

Q: All Seasons Plumbing has two service trucks that frequently need repair. If the probability the…

A: It is given that, the probability the first truck is available is 0.75, the probability the second…

Q: Of 120 Pharmacy freshman, 65 are taking Math-150 and 47 taking Physics. 20 students of the freshman…

A: a) There are 120 Pharmacy freshman in which 65 are taking Math-150 and 47 taking Physics. And 20…

Q: a group of 200 students includes 120 who watch television news, 80 who read a newspaper, and 60 who…

A: Let A=television=120,  B=read newspapers=80   We want to find the following probability  A) P(A or…

Q: On average cleo catches a fish on 40% of the times that he casts his fishing line. If he casts his…

A: We have to find the probability that he will catch exactly 9 fish....

Q: 5B. John packs four t shirts for a trip to the beach. If he owns nine t shirts, four of which are…

A: 9. John owns nine t shirts out of which he packs four t shirts this can be done is 94 ways also…

Q: In the St. Petersburg Community College, 30% of the men and 20% of the women are studying…

A: For the given data Find the probabilities

Q: d. There were 27 tourists in the group and every tourist saw at least one of the three types of…

A: From part a, we have

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: At a college, 68 % of courses have final exams and 43 % of courses require research papers. Suppose…

A: At a college, 68% of courses have final exams and 43% of courses require research papers. Suppose…

Q: At a certain fast-food restaurant,  48%  of customers order a chicken sandwich,  34%  of customers…

A: P(A or B) = P(A) + P(B) - P(A and B).   Here,   P(Chicken Sandwich) = 0.48 P(French Fries) = 0.34…

Q: F- Female $688 G- Male $1000 H- Male $892 1. Ifall the salaries were written on separate pieces of…

A: (1) Obtain the probability that the one that drawn is over $650. The probability that the one that…

Q: A foreign student club lists as its members 2 Canadians, 3 Japanese, 5 Italians, and 2 Germans. If a…

A: We have to use classical probability theory to find the probability.