A poll is given, showing 25% are in favor of a new building project. If 10 people are chosen at random, what is the probability that exactly 8 of them favor the new building project?

Q: From experience, an airline knows that only 85% of the passengers booked for a certain flight…

A: Given Information :  From experience, an airline knows that only 85% of the passengers booked for a…

Q: In a sample of 1000 U.S. adults, 106 think that most celebrities are great role models. Two U.S.…

A: We can select the first adult in 1000 ways. When the first person is selected then the second person…

Q: a new surgical procedure in preliminary trials has a probability of success of 80%. if 10 patients…

A: Let X denote the patients are scheduled to go through this procedure and it follows binomial…

Q: There are 18,230,322 veterans in your state. There are 3,055 veterans in your city. What is the…

A: Nstate = 18230322 Ncity = 3055 Probability of selecting a veteran from state, P(S) = 1/18230322.…

Q: A literature professor decides to give a 10-question true - false quiz to determine who has read an…

A: The given scenario satisfies the characteristics of binomial distribution.Formula for binomial…

Q: If 25 percent of students at a particular school use mechanical pencils, what is the probability of…

A: Given Information: The percentage of students using mechanical pencils =25% Number of the sample…

Q: If 14% of active duty soldiers in the U.S. Army are women, find the probability that if four…

A: Let X represent the random variable   n=4 p=0.14   X~ Binomial (4, 0.14)

Q: A couple has 4 children. Write out the sample space of genders fort heir children, inorder of birth.…

A: It was stated that a couple has 4 children. The possible gender for each child is either male or…

Q: A college has a population that is 39.6% female and 60.4% male.  If 5 students are picked at random…

A:

Q: A company that manufactures computer components has a 3% defective rate. If 12 components are…

A: Givenp=3%=0.03n=12Let "x" be getting no.of defective…

Q: 4 students are picked at random for a student wellness committee, what’s the chance that all 4 are…

A: We have given that the random variable X represents the female. P( female ) = p = 39.6% = 0.396 P(…

Q: The probability that at least 1 freshman is chosen for the committee is ?

A: Let p be the proportion of freshmen. Given that p = 29% = 0.29 Also, X denotes number of freshmen on…

Q: In a sample of 1000 US adults 106 think that most celebrities are great role models.  Two US adults…

A: Given that, in a sample of 1000 US adults, 106 think that most celebrities are great role models. We…

Q: A zoo has a collection of 400 flamingos. 180 of these flamingos are red. One day, a fence blew down…

A: Given : A zoo has a collection of 400 flamingos. 180 of these flamingos are red.

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 9 seeds are planted,…

A:

Q: If a seed is planted, it has a 75% chance of growing into a healthy plant. If 8 seeds are planted,…

A: p=0.75, n=8

Q: If a seed is planted, it has a 85% chance of growing into a healthy plant. If 7 seeds are planted,…

A: The random variable X is the number of seeds that don't grow The probability of the seed growing is…

Q: If a seed is planted, it has a 85% chance of growing into a healthy plant. If 7 seeds are planted,…

A:

Q: If the probability of choosing a red chip from a bucket is 0.4, What is the probability of not…

A: We have the probability of choosing a red chip from a bucket is 0.4

Q: At a local college,  69  of the male students are smokers and  621  are non-smokers. Of the…

A: To solve this problem, we need to find the probability of selecting a non-smoker male student and a…

Q: Suppose the budget has the support of 54​% of the voters. What is the probability that the​…

A: The proportion of population in support follows normal distribution with mean 0.53 and standard…

Q: A student has a 30% chance of getting a particular professor for a class. What are the odds of…

A: From the provided information, There is 30% chance a student getting a particular professor for a…

Q: 68% of adults would still consider a car brand despite product/safety recalls. You randomly select…

A:

Q: A teacher will pick 1 student at random from 10 for the lead in a play. What is the probability of a…

A: Given Picked student = 1 Total sample space = 10  Formula used: Probability=favourable casesTotal…

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 11 seeds are planted,…

A: Given that, The sample size is, n = 11 The probability of growing into a healthy plant is, 0.95 The…

Q: Just before a referendum on a school​ budget, a local newspaper polls 357 voters to predict whether…

A: Given, n = 357 p = 53% = 0.53

Q: It is certain that a lacrosse goalie will successfully make a save 91.83% of the time. Suppose that…

A: The probability that a lacrosse goalie will successfully make a save of the time is 0.9183.A sample…

Q: According to a study conducted by the Gallup organization, the proportion of Americans who are…

A: It is an importance stance in probability distribution . Binomial distribution is a discrete…

Q: Suppose you take a 10 question quiz, with 4 options choices, only one is correct. What is the…

A: Given data:   The total numbers of questions are N=10. The numbers of options for a question are…

Q: In 2002, approximately 39% of the people eligible to vote in mid-term elections voted. Suppose you…

A: Number of trials n=7Success of probability p=0.39X~binomial (n,p)nCx=n!/x!(n-x)!Probability mass…

Q: If a seed is planted, it has a 75% chance of growing into a healthy plant. If 8 seeds are planted,…

A:

Q: On a 9 question multiple-choice test, where each questions has 5 answers, what would be the…

A:

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 7 seeds are planted,…

A: The probability that the plant doesn't grow into a healthy plant (p) .

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.