In a survey, 495 people indicated they prefer pepperoni pizza, 95 indicated they prefer cheese pizza, and 26 indicated they don't like either kind of pizza. Find the probability that if a person is chosen at random, they prefer cheese pizza.

Q: In a large population, 50 % of the people have been vaccinated. If 3 people are randomly selected,…

A: Givenp=50%=0.50n=3x=noof people get vaccinatedx~Binomial(n=2,p=0.50)P(X=x)=Cxn px (1-p)n-x    ;…

Q: In a small private​ school, 4 students are randomly selected from 11 available students. What is the…

A: Given that, N=11 R=4 Number of youngest students among the available students = 4

Q: Based on experience, 60 percent of the people who enter a shoe store make a purchase. In a random…

A: 60 percent of the people who enter a shoe store make a purchase. Hence the probability that a…

Q: A poll is given, showing 20% are in favor of a new building project. If 10 people are chosen at…

A: Given data, p=20%=0.20 n=10 P(X=5)=?

Q: In a recent survey, 18 people preferred milk, 29 people preferred coffee, and 13 people preferred…

A: Probability of an event is computed by taking the ratio of number of favourable outcomes to total…

Q: At Riyadh 5% of all students play football and basketball, 32% of all students play football. What…

A: Let , A=all students play foot ballB=all students play basket ballgiven,P(A∩B)=0.05P(A)=0.32

Q: A poll is given, showing 20% are in favor of a new building project. If 2 people are chosen at…

A: Given data,p=20%=0.20n=2P(X=1)=?

Q: In a Toyota factory, 137 out of 129,000 cars have faulty brakes. If 50 cars checked at random, what…

A:

Q: In a science class of 35 students, 15 are boys and 20 are girls. On a unit test, 5 boys and 8 girls…

A: We will use probability formula to find solution to the problem .

Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A:

Q: In a class of 37 students, 17 are taking an AP test, 15 are taking an IB test and 6 are taking both.…

A:

Q: A poll is given, showing 50% are in favor of a new building project. If 8 people are chosen at…

A: We have to find given probability.

Q: In a math class of 30 students, 17 are boys and 13 are girls. On a unit test, 4 boys and 5 girls…

A: Given,no.of boys=17no.of girls=13total no.of students=30

Q: A survey reveals that 80% of the eligible people in a certain county vote during a county election.…

A: Here, n = 70 and p = 0.80.

Q: Suppose that 56% of students in a college have a smart phone. If you select three students at…

A: Solution: It is given that 56% of students in a college have a smart phone.  Thus, probability that…

Q: A poll is given, showing 45% are in favor of a new building project. If 5 people are chosen at…

A: As per guideline expert have to answer first question only dear student please upload other question…

Q: A survey reveals that 20% of the girls are Riphah come from remote areas. If 20 Riphah Girls are…

A: Binomial distribution is discrete distribution that deals with the probabilities of success and…

Q: A poll is given, showing 35% are in favor of a new building project. If 8 people are chosen at…

A: Let "X" be the people who are in favour of the new building.

Q: A poll is given, showing 80% are in favor of a new building project. If 8 people are chosen at…

A: Givenp=0.80n=8x~Binomial(n=8,p=0.80)P(X=x)=(nx)×(p)x×(1-p)n-x   ; x=0,1,....,n

Q: From a group of graduate students including 21 men and 11 women, 26 are chosen to participate in an…

A: Given Information: Number of men = 21 Number of women = 11  Total  = 21 +11 =32

Q: A poll is given, showing 70% are in favor of a new building project. If 8 people are chosen at…

A:

Q: The probability that a house in an urban area will be burglarized is 6​%. If 47 houses are randomly​…

A:

Q: A survey revealed that 31% of people are entertained by reading books, 39% are entertained by…

A:

Q: Suppose that 85% of people are voting in the election. If you pick two people at random, what is the…

A: Obtain the probability that they both are voting in the election.   The probability that they both…

Q: Eight out of ten motorcyclists wear safety helmets in states that do not require them. If two…

A: Total number of motorcyclists  = 10 No.of motorcyclists wear safety helmets = 8 The probability that…

Q: In a large population, 64 % of the people have been vaccinated. If 4 people are randomly selected,…

A: Proportion of people vaccinated (p) = 0.64 Proportion of people not vaccinated (q) : q=1-pq=0.36 n =…

Q: In a large population, 53% of the people have been vaccinated. If 5 of the people are randomly…

A: It is given that n = 5 and p =0.53.

Q: In a market study, a researcher found that 70% of customers are repeat customers. If 10 customers…

A:

Q: In a small private​ school, 4 students are randomly selected from 18 available students. What is the…

A: Solution: Given information: n= 18 available students  4 students are randomly selected.

Q: A poll is given, showing 75% are in favor of a new building project. If 9 people are chosen at…

A: Given data, p=75% =0.75 If n=9 then P(X=6)=?

Q: According to American Airlines, its flight 215 from Orlando to Los Angeles is on time 90% of the…

A: It is given that the 90% of the flights from Orlando to Los Angeles are arrived on time. The 15…

Q: 2.  In a recent survey, 18 people preferred milk, 29 people preferred coffee, and 13 people…

A: Given data in a recent survey  18 people preferred milk , 29 people preferred coffee, 13 people…

Q: A painting is selected at random from the three Manila painters, what is the probability that it won…

A:

Q: A poll is given, showing 35% are in favor of a new building project. If 8 people are chosen at…

A: Given: Sample size (n) =8 Probability of success (p) = 0.35 Formula: Let "X" be the poll showing in…

Q: A survey reports that 53% of college students use Google as their search engine. If 100 students of…

A: Given that n=100 p= 0.53 q= n-p=0.47 μx= n*p= 53 Standard deviation= σ= sqrt(n*p*q)=4.991   Add…

Q: In a large population, 40 % of the people have been vaccinated. If 4 people are randomly selected,…

A:

Q: A poll is given, showing 35% are in favor of a new building project. If 9 people are chosen at…

A:

Q: In a recent survey, 72% of the community favored building a health center in their neighborhood. If…

A: It is given that n = 14 and p = 0.72.

Q: In a survey of 400 households, 360 said they own a VCR, 170 said they own a DVD player and 19 said…

A: From the given information, 360 said they own a VCR 170 said they own a DVD player and 19 said they…

Q: In a New York Times article a reporter stated that seventy three percent of its readers favored the…

A:

Q: according to popular belief, 80% of adults enjoy drinking beer. choose a group of 4 adults at…

A: The probability distribution explains the all the possible outcome in the experiment and the…

Q: In the current campaign period, suppose a random person is selected, based on previous survey, there…

A:

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

A:

Q: A poll is given, showing 45% are in favor of a new building project. If 10 people are chosen at…

A: We have to find given probability.

Q: In a review class of 80 students, 70 passed the board exam. If a student is selected at random, what…

A:

Q: In a recent survey, 70% of the community favored building a health center in their neighborhood. If…

A: Let "X" be the community favored by building a health center in their neighborhood.

Q: Suppose that 73% of students in a college have a smart phone. If you select three students at…

A: Let success denotes one selected student have a smart phone. Then p=probability of success= 0.73…

Q: The probability that an individual is left-handed is 12%. In a randomly selected class of 30…

A: The following information has been given: The probability that an individual is left-handed is 12%.…

Q: A poll is given, showing 60% are in favor of a new building project. If 6 people are chosen at…

A: Given,n=6p=0.6X=no.of people favor the new building projectsX~Binomial(n=6 , p=0.6)P(X=x)=Cxn…

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.