In the United States, voters who are neither Democrat nor Republican are called Independent. It is believed that 6% of voters are Independent.  A survey asked 12 people to identify themselves as Democrat, Republican, or Independent.  What is the probability that fewer than 4 are Independent?

Q: According to a research​ corporation, 46​% of women in a particular region suffer from holiday​…

A:

Q: According to FBI data 12% are cleared. What is the probability that the detective clears five…

A: Binomial distribution : A Binomial is a type of distribution which has two possible outcomes. i.e.,…

Q: Suppose that 54% of people own dogs. If you pick two people at random, what is the probability that…

A: Given, 54% of the people own dog.That is

Q: According to​ statista.com, 66.7​% of U.S. households have Cable TV​ / Satellite TV. If six…

A: From the given information, the percentage of U.S households have Cable TV​ / Satellite TV 66.7% and…

Q: In an assembly of 200 people there approximately 2% of them are civil engineers. If we randomly…

A: Givenn=200p=0.02x=no.of people being civil engineersx~Binomial(n=200,p=0.02)P(X=x)=Cxn px (1-p)n-x…

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

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Q: A sociology teacher asked her students to complete a survey at the beginning of the year. One survey…

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Q: A set of coins is flipped. 25% of the coin set has a 20% chance of landing on heads. The other 75%…

A: Given that the set of coins are divided into two types.

Q: In the United States, voters who are neither Democrat nor Republican are called Independent. It is…

A: From the provided information,It is believed that 9% of voters are Independent that is p = 0.09n =…

Q: According to a recent survey approximately 68% of students at this campus are women. A group of 20…

A: Solution: Let X be the number of students are women and n be the sample of students. From the given…

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

A: Let X represent random variable   n=5 p=0.08   X~ binomial (5, 0.08)

Q: An insurance company found that 16% of drivers were involved in a car accident last year. If 8…

A: Probability of drivers were involved in a car accident last year(p)=0.16sample size(n)=8Let "x" be…

Q: Find the probability of 62 or more participants believing life on other planets is plausible

A: From the original problem, It is given that the number of observations are independent with…

Q: On a grocery store shelf, there are 16 loaves of white bread and 15 loaves of wheat bread. A shopper…

A: The objective of this question is to find the probability that a shopper randomly selects a loaf of…

Q: The National Coffee Association reports that among individuals in the 45 to 55 age, 70% drink…

A:

Q: This problem involves students who have taken Calculus in high school. Assume that 25 percent of…

A:

Q: According to Wealth committee data, 0.4% of people have anemia. One thousand people are randomly…

A: Given that  p=0.4%=0.004 , n=1000

Q: Migraine medication was administered to patients in that 2% experienced weight gain as a side…

A:

Q: Suppose that 37% of people own dogs. If you pick two people at random, what is the probability that…

A: From the given information, it is clear that   The probability that people owns the dog=0.37.…

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: A medication states that the odds of having an allergic reaction are 2 in 200. What is that…

A: A medication states that the odds of having an allergic reaction are 2 in 200.

Q: The Club reports that among individuals in the 28 to 32 age, 35% are football fans. If 200 people of…

A: We have given that p = 35% = 0.35 n = 200

Q: 8 people are taking a driving test. If the probability of passing the test is 0.75. What is the…

A:

Q: Suppose that 47% of people own dogs. If you pick two people at random, what is the probability that…

A: We have given that Probability (p) = 0.35number of sample (n) = 2 Here we will use binomial…

Q: Suppose that 53% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: In a classroom survey, 18 out of 30 students reported that they have a car. What is the probability…

A:

Q: If one card is drawn from a standard deck of 52 playing cards, what is the probability of drawing a…

A: In a standard deck of 52 cards, 26 cards are black and 26 cards are red

Q: According to the Federal Communications Commission, 70% of all U.S. households are using video…

A: Given,n=15p=0.7q=1-0.7=0.3A random variable X~Binomial(n=15 , p=0.7)P(X=x)=Cx(0.7)x(0.3)15-x       ;…

Q: Blue cab operates 15% of taxis in a certain city and green can operates 85%. After a nighttime…

A: The blue cab operates 15% of taxis in a certain city and green can operates 85%.

Q: In Bayside County, 45% of voters are registered Democrats. If three voters are selected at random,…

A: Given, P = 0.45 n = 3 x = 3 Here we use binomial distribution

Q: What is the probability of having 4 boys given the oldest is a boy?

A: Solution

Q: 53% of all Americans have at least some college education. Choose 7 Americans at random. What is the…

A: Given that 53% of all Americans have at least some college education. Hence probability that a…

Q: Approximately 90% of all people are night-handed. Consider a grouping of ten people. What is the…

A: Percentage of right handed people is 90%. Number of total people in a group is 10.

Q: A four-person committee is randomly selected from a pool of 19 Americans and 13 Canadians. What is…

A: No.of Americans = 19  No.of Canadians  = 13 Total no.of persons = 32 (i.e. 13+19) Consider that…

Q: A health instructor surveyed all his students, and tallied the results. The first survey question…

A:

Q: t is estimate that 40% of households own a riding lawn mower. A sample of 11 households is studied.…

A:

Q: Approximately 11% of students at BCC are Criminal Justice majors. If you take a simple random sample…

A: Let X= number of students who are Criminal Justice majors the probability of a student being…

Q: Approximately 18% of shoppers used cellphones to look for deals. THe probability of making a…

A: From the given information ,P ( cellphones) = 18% = 0.180.45

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.