A news article reported that there is a 60% success rate for those trying to stop smoking through hypnosis. In A random sample of five smokers who undergo hypnosis, find the probability that all five successfully stop smoking.

Q: In a Gallup Survey, 90% of the people interviewed were unaware that maintaining a healthy weight…

A: Given Information: 90% of the people interviewed were unaware that maintaining a healthy weight…

Q: In a commissioned research, the inter-collegiate swim meets management found out that an estimated…

A: GivenThe percentage of swimmers competing use performance enhancing drugs = 3% The accuracy of the…

Q: A random sample of 100 blue-collar employees at a large corporation are surveyed to assess their…

A: Given: Sample size (n) = 100 Probability of success (p) = 0.60 Let X ~ Bin (100, 0.60)

Q: The owner claims that 1 in 10 ice cream cones will leak due to improper storage of the cones. What…

A: It is given that 1 in 10 ice cream cones will leak due to improper storage of the cones. Hence, The…

Q: According to a candy​ company, packages of a certain candy contain 18​% orange candies. Find the…

A: The proportion of orange candies in a certain package is : p=0.18 The sample size is given to be…

Q: Although studies continue to show smoking leads to significant health problems, 20% ofadults in the…

A: a. Normal approximation to the binomial: From the given information, sample size, n = 250. The…

Q: Migraine medication was administered to patients in that 5% experienced weight gain as a side…

A:

Q: What is the probability that a randomly selected person from the population tests positive?

A: Let us define some events A : a person has cooties. B : a person does not have cooties. E : a person…

Q: It has been found that 1 out of every 10 people who visit a local store purchasecigarettes. If we…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: In a Survey, 85% of the people interviewed were unaware that maintaining a healthy weight could…

A: Givenp=0.85n=20Let "x" be the no.of people are unware that maintaining a healthy weightcould reduce…

Q: Although studies continue to show diabetes leads to significant health problems, 20% of adults in…

A: Introduction: Denote X as the number of sampled adults who have diabetes. Assume that the n = 250…

Q: A recent poll found that 30% of those surveyed are worried about aggressive drivers on the road. If…

A:

Q: A recent survey shows that 60% of families regularly schedule family vacations for the month of…

A: Given, 60% of families regularly schedule family vacations for the month of April. Let X = number of…

Q: A national study of patients who were overweight found that 56% also have elevated blood pressure.…

A:

Q: A poll showed that 50% of Americans say they believe that life exists elsewhere in the galaxy. What…

A: here given , A poll showed that 50% of Americans say they believe that life exists elsewhere in the…

Q: According to the Cable and Telecomm. Association for Marketing, 30% of cable television subscribers…

A: Given : n = 15 p = 0.30 Let X be the number of cable television subscribers.

Q: As part of a promotional campaign, a store is offering a free Fitbit with the purchase of the new…

A: Let A denote the event that iPhone are faulty  Let B denote the event that Fitbits are faulty The…

Q: A news report stated that 65% of vehicles sold nationally were SUVs. A random sample of 100 vehicles…

A: Given info: Here, n=100, p=0.65.

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

A:

Q: If 20 percent of the mice used in an experiment will become very aggressive after having been…

A: 3.  Given Information :  If 40 percent of the mice used in an experiment will become very aggressive…

Q: Based on a​ poll, among adults who regret getting​ tattoos, 23% say that they were too young when…

A: Givenp=0.23n=10x~Binomial(n=10,p=0.23)P(X=x)=(nx)×px×(1-p)n-x     ; x=0,1,...,n

Q: In the construction of midrise buildings, a safety engineer claims that only 40% of all workers wear…

A: Solve using Binomial distribution

Q: A recent survey found that 70% of all adults over 50 wear sunglasses for driving. In a random sample…

A: The binomial probability distribution is, PX=x=nxpx1-pn-x In the formula, n denotes the number of…

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

A:

Q: In a recent​ survey, it was found that the median income of families in country A was ​$58,000. What…

A: In a recent​ survey, it was found that the median income of families in country A was ​$58,000.

Q: A recent survey reported that 69% of Americans approve of human embryonic stem cell research. If an…

A: Given : Let A be the event of  Americans approve of human embryonic stem cell research. p ( A ) =…

Q: What is the probability of hitting a target, if in the long run, 71 out of every 464 attempts…

A: Probability:The probability of an event A is obtained  by the formula:

Q: In an experiment to study the relationship of hypertension and smoking habits, the following data…

A: make a table for the given data    non smoker moderate smoker heavy smoker total hypertension…

Q: What is the probability that a randomly selected participant tasted peaches given that the…

A: Probability is the chance of occurrence of an event.

Q: The proportion of all customers at Pizza Hut who eat on-site is 75 percent. In a sample of 100…

A: Given that  n=100 , p=25%=0.25  , q=1-p=1-0.25=0.75 σp=√(p(1-p)/n)=√((0.25*0.75)/100)…

Q: According to an article in the February 1991 issue of Reader’s Digest, patients face a 1 in 20…

A: From the provided information, Patients face 1 in 20 chance of acquiring an infection while…

Q: If a person tests negative, what is the probability that the person is actually free of the disease?

A: Let us define some events A : a person has cooties. B : a person does not have cooties. E : a person…

Q: Three percent of a given lot of manufactured parts are defective. What is the probability that in a…

A:

Q: A marketing research survey shows that approximately 80 percent of the car owner surveyed indicated…

A: Probability of an event is chances of occurrence of the event. Probability of an event is computed…

Q: Migraine medication was administered to patients in that 12% experienced weight gain as a side…

A: We have to find probability..

Q: A study of consumers smoking habits include 160 people in the 18-22 age bracket (49 of whom smoke),…

A:

Q: According to a recent article the average number of babies born with significant hearing loss…

A: The probability that exactly for babies were born deaf is obtained below:From the given information,…

Q: It has been found that 2 out of every 10 people who visit a local store purchase milk. If we…

A: The probability that more than three of the visitors will purchase milk is obtained below: From the…

Q: What is the probability that a randomly selected person from the population tests negative?

A: Let us define some events A : a person has cooties. B : a person does not have cooties. E : a person…

Q: An oil company conducts a geological study that indicates that an exploratory oil well should have a…

A:

Q: Sixty percent of clowns aren’t funny.   If you randomly encounter three different clowns, what is…

A: Multiplication rule for independent events:If two events A and B are independent then the…

Q: In testing a certain kind of truck tire over rugged terrain, it is found that 39% of the trucks fail…

A: Given : Let X : Number of trucks have blowouts  p : 0.39 ( Probability of trucks fail to complete…

Q: What is the probability that a randomly selected passenger survived on the Titanic? What is the…

A:

Q: A Gallup poll found that 73.2% of people in the US believe in hell. What is the probability that a…

A: Given that  A Gallup poll found that 73.2% of people in the US believe in hell  P(Believe in hell) =…

Q: A manufacturer of aspirin claims that the proportion of headache sufferers who get relief with just…

A: Consider that p is population proportion of headache sufferers who get relief with just two…

Q: An oil company conducts a geological study that indicates that an exploratory oil well should have a…

A: Given: p = 0.2 q = 1 - p = 1 - 0.2 = 0.8 and  r = 3

Q: A recent survey found that 70% of all adults over 50 wear glasses for driving. In a random sample of…

A: Let the random variable X be the number of wear glasses. X takes values 0,1,2,.....,10 . p =…