Q1/(a) Of 120 students, 60 are studying French, 50 are studying Spanish, and 20 are studying French and Spanish. If a student is chosen at random, find the probability that the student (i) is studying French or Spanish, (ii) is studying neither French nor Spanish

Q: 15% of the employees in a certain government organization have a postgraduate degree. If people are…

A: Given,p=0.15Let a random variable X~Geometric (p=0.15)P(X=x)=0.151-0.15x-1P(X=x)=0.150.85x-1  ;…

Q: In a factory, machine X produces 60% of the daily output and machine Y produces 40% of the daily…

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Q: Suppose that 60% of all adults regularly consume coffee, 50% regularly consume carbonated soda, and…

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Q: 11. At Athens country club 73% of the member play bridge and swim, and 82% play bridge. If a membet…

A: Given: Prob. that member play bridge and swim =0.73 Prob. that member play bridge  =0.82

Q: In a certain voting precinct, 81% of voters are registered democrats. what is the probability that,…

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Q: QI/(a) Of 120 students, 60 are studying French, 50 are studying Spanish, and 20 are studying French…

A: Given : Of 120 students , 60 are studying French , 50 are studying Spanish and 20 are studying…

Q: Q1: Suppose that are have a fuse box, containing 20 fuses of which 5 are defective. If 2 fuses are…

A: Given that there are total 20 fuses, among them 5 are defective.  So (20-5)=15 are good.   We can…

Q: Find the probability of at least 2 female visitors in 16 visitors to Mt. Rainier National Park.…

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Q: Q12. In a certain college with 500 students, assume 315 like coffee, 217 like tea and 154 like both…

A: Let X represents Coffee, Y represents Tea P(X) = 315 500 P(Y) = 217500PX∩Y=154500

Q: Q2/ Of 80 students, 20 are studying French, 40 are studying Spanish, and 30 are studying French and…

A: Total number of students i.e. nT=80 Number of students studying French i.e. nF=20 Number of students…

Q: A university bookstore claims that 50% of its customers are satisfied with the service and their…

A: The probability that in a random sample of 600 customers, less than 45% are satisfied is, Thus, the…

Q: Suppose that 65% of all adults regularly consume coffee, 50% regularly consume carbonated soda, and…

A: Let us assume that x% adults consume both coffee and soda.  Let us denote: C=coffee , S=soda…

Q: In a class of 2525 students, 3553​ of the class are boys, 2552​ of the class have ​blonde hair, and…

A: It is given that 3/5 of class are boys, 2/5 of class have blonde hair, and 1/5 of the class are boys…

Q: Among a company's employees, suppose that 65% like the work that they do for the company, 80% like…

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Q: Q. 2 Of 200 employees of a company, a total of 120 smoke shisha; 60% of the shisha smokers are male…

A: Using the provided information, the table is:   Smokers Non smokers Total Male 72 64 136…

Q: Of 370 male and 230 female employees at the Flagstaff Mall, 260 of the men and 140 of the women are…

A: From the provided information, Total sample space = 370 + 230 = 600 Flex time workers = 260 + 140 =…

Q: Suppose that 60% of all adults regularly consume coffee, 40% regularly consume carbonated soda, and…

A: If A and B denotes two events, the probability PA∪B denotes the probability of happening of either…

Q: The probability that a person owns a car is 0.85, that a person owns a laptop is 0.45, and that a…

A: Given information- P (own a car) = 0.85 P (own a laptop) = 0.45 P (owns both a car and a laptop) =…

Q: Q2/ Of 80 students, 20 are studying French, 40 are studying Spanish, and 30 are studying French and…

A: Total number of students: 80 Number of student who are studying French:   F = 20 Number of student…

Q: Suppose that an employer plans to hire four people from a group of nine equally qualified people of…

A: Total number of candidates = 9, minority candidates = 3.

Q: Of the physics graduates of a university, 25% received starting salaries of $30,000 or more. If 3 of…

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Q: A lie detector is known to be 70% reliable when the person is quilty and 95% reliable when the…

A: The machine is reliable when person is guilty is 70% The machine is reliable when person is not…

Q: f a company’s mailings 0.56% are returned because of incorrect or incomplete addresses. In a mailing…

A: Given that  Of a company’s mailings 0.56% are returned because of incorrect or incomplete addresses.…

Q: A company has 140 employees of which 30 are supervisors. Eighty of the employees are married and 20…

A: Given data, P(Married)= 80/140 = 0.5714 P(Supervisor | Married)= 0.20 P(Married and supervisor)=?

Q: In a class of 25 students, 3/5​ of the class are boys, 2/5of the class have ​blonde hair, and 1/5​…

A: We have to find given probability.

Q: Suppose that historically, 36% of applicants that are offered admittance to Texas Tech actually…

A: Given : Proportion of applicants who offered admittance to Texas Tech actually enroll (p) = 0.36…

Q: Suppose 30% of smoke alarms produced by a company are defective. A family purchases 3 smoke alarms…

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Q: here are 500 seniors at a certain high school, of which 230 are males. It is known that 30% of the…

A: Using Tree diagram I have answered it

Q: Suppose that 40% of all adults regularly consume coffee, 50% regularly consume carbonated soda, and…

A: Introduction:  Probability of intersection of two events:  Probability of intersection of two events…

Q: Q2/ Of 80 students, 20 are studying French, 40 are studying Spanish, and 30 are studying French and…

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Q: In a large population, 65% of the people have been vaccinate. Of 5 people are randomly selected what…

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Q: Of 380 male and 220 female employees at the Flagstaff Mall, 260 of the men and 120 of the women are…

A: It is given that the number of women in flex time is 120 and the total number of people on flex time…

Q: Ten of the 500 randomly selected cars manufactured at a certain auto factory are found to be lemons.…

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Q: Find the probability of at least 2 girls in 7 births. Assume that male and female births are equally…

A: Given: The probability of a male birth = 0.5 The probability of a female birth = 0.5 The probability…

Q: Suppose that 50% of American adults have attended a college for at least one semester. If we select…

A: Given data, p=50%=0.50 n=400 P(X>300)=?

Q: 2. Wanda receives on average 8 messages from Vision in a 3 hour period. What is the probability that…

A: Given on average 8 messages from vision in a 3 hours periodλ=8 messages from vision in a 3 hours Let…

Q: In a country, 90% of the graduates are citizens, 70% of the citizens graduates are employed while…

A: in a country, 90% of the graduates are citizens, 70% of the citizens graduates are employed while…

Q: An oil exploration firm is formed with enough capital to finance ten explorations. Assume the…

A: Let p be the probability that a exploration is successful. Given that p = 0.1 Let X donote the…

Q: A Supervisor of a pharmacy found that 30% of the workers receive their spending money from part –…

A: Obtain the probability that at least 3 of them will have part- time jobs. The probability that at…

Q: If 1 day of the week is chosen at random to be Mary's day to mow the lawn, what is the probability…

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Q: Suppose that 65% of all adults regularly consume coffee, 60% regularly consume carbonated soda, and…

A: Given: Adults that regularly consume at least one of the two products = 75%

Q: At a gas station, 40% of customers use regular gasoline, 35% use extra gasoline and the remaining…

A: We have to find  given probability.

Q: In a class of 78 students 41 are offering French, 22 are offering German. Of the students offering…

A: Addition Rule of Probability:   Let A and B be the two events. The event A occurs or B occurs or…

Q: Ql: Suppose that are have a fuse box, containing 20 fuses of which 5 are defective. If 2 fuses are…

A: Since you have submitted two questions, we'll answer the first question. For the second question…

Q: Suppose that 55% of all adults regularly consume coffee, 45% regularly consume carbonated soda, and…

A: Let A be the event that an adult regularly consumes coffee. Let B be the event that an adult…

Q: Suppose that historically, 36% of applicants that are offered admittance to Texas Tech actually…

A:

Q: What is the probability that at least one of the four packs she bought will have past its sell-by…

A: On a supermarket shelf, there are 45 packs of cereals. Among these, there are five packs whose…

Q: In a recent survey, 73% of the community favored building a police substation in their neighborhood.…

A: Given that, 73% of the community favored building a police substation in their neighborhood. Thus,…

Q: In a production line where shirts are produced, shirts in two colors, blue and red, are produced. It…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.