41% of US asks have very little confidence in newspapers. you randomly select 10 US adults. find the probability that less than 4 us adults have very little confidence in newspapers

Q: An experimental drug has been shown to be 80% effective in eliminating symptoms of allergies in…

A: If a participant is selected randomly, then there can be two possibilities either the drug is…

Q: In a dental study on children it was found that the probability of the child population having any…

A: P(C) = p = 2/3 P(Not C) = q = 1-p= 1/3

Q: Catherine Chao, director of marketing research, needs a sample of Kansas city households to…

A:

Q: A medical study tests a new cough medicine on 4250 people. It is effective for 3982 people. What is…

A: Based on the provided information, the known values are: Number of success=3982 people. Number of…

Q: Airlines report that 45% of its flights are on time.  In a random sample of 80 flights, what is the…

A: Given, Let A be the event of success that Airlines report of its flights are on time Random sample…

Q: A study reported that 25% of male athletes enjoyed playing tennis recreationally.  Suppose you…

A: According to the provided information, p=0.25 n=8

Q: Twenty-six percent of couples who plan to marry this year are planning destination weddings. In a…

A: Given, n = 12 p = 26% = 0.26 X = 8 Let X be the couples will have a destination wedding.   X ~ B…

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: About 13% of the population is left-handed. If two people are randomly selected, What is the…

A:

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

A:

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

A: Given that, A recent poll found that 30% of those surveyed are worried about aggressive drivers on…

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

A: From the provided information, Sample size (n) = 100 Probability (p) = 0.53 Now,

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Given: The probability of eligible voters in the next election who will vote for the incumbent is…

Q: Fourteen percent of people in Western countries consider themselves lucky. If 3 people are selected…

A:

Q: Suppose a recent study determined that 29% of Americans favorite ice cream flavor is If a sample of…

A:

Q: In a recent study, 65% of people surveyed indicate chocolate was their favorite flavor of ice cream.…

A: Given,n=11p=0.65Let X =no.of people name their favorite flavor of ice cream.X~Binomial(n=11 ,…

Q: A study shows that 15% of adult males don’t wash their hands in a public restroom. We take a random…

A:

Q: Twenty-six percent of couples who plan to marry this year are planning destination weddings. In a…

A: Givenp=0.26n=12Let "x" be the couple having destination…

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: Based on a​ poll, among adults who regret getting​ tattoos, ​17% say that they were too young when…

A:

Q: Forty percent of American adult women believe that meat from animals raised on genetically modified…

A: Formula : Binomial distribution is given by

Q: #02.  The top web browser in 2015 was Chrome with 51.74% of the market. In a random sample of 250…

A: Population proportion = 0.5174 Sample proportion = 110/250 = 0.44

Q: At a cell phone assembly plant, 82% of the cell phone keypads pass inspection. A random sample of…

A:

Q: Color blindness has a rate of about 5% among males. If you pick a group of 15 males, what is the…

A:

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: 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: An experimental drug has been shown to be 85% effective in eliminating symptoms of allergies in…

A: We have to find given probability.

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

A:

Q: About 35% of Americans will admit that they waste time regularly at work. A poll of 100 Americans is…

A: Given,

Q: impact of caffeine consumption. Smoking alcohol consumption and physical activity on cardiovascular…

A: Given that,  40% of participants consume caffeine and smoke. 8 participants are evaluated. Here,…

Q: The percentage of the damaged production of a lamp factory is 1000. If a sample of 5 lamps is…

A:

Q: 80% of teenagers have access to some social media. If you do a random survey of 400 teenagers, what…

A:

Q: At a restaurant, 60% of customers typically order a salad with their meal. What is the experimental…

A: As per given by the question, calculate the experimental probability that the next 4 customer will…

Q: In a factory that produces blocks of ready- made concrete, if the percentage of production of…

A: Given data,Sample size n=5Percentage of production of defective blocks is p=0.6Let X be event that…

Q: In the sample of 900 us adults 220 think that most celebrities are good role models . Two U.S adults…

A: From the given information, Sample size = 900 Number of good role models that most celebrities think…

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

A:

Q: Privacy is a concern for many users of the Internet. One survey showed that 59% of Internet users…

A: Let p be the probability of concerned about the confidentiality of their email Based on this…

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

A: We have to find probability..

Q: Q6. In a Survey, 85% of the people interviewed were unaware that maintaining a healthy weight could…

A: Given,n=20p=0.85q=1-0.85=0.15A random variable X~Binomial(n=20 , p=0.85)P(X=x)=20x0.85x0.1520-x  ;…

Q: About 8% of the US population catches the flu each season assuming everyone has equal probability of…

A:

Q: 13 percent of the patients in a study reported previous episodes of a stroke. Use 13 percent as the…

A: The mean and the standard deviation of the sampling distribution of the sample proportion is,

Q: Fifty-three percent of U.S. households have a personal computer. In a Random sample of 250…

A: It is an important part of statistics. It is widely used.

Q: A school survey found that 9 out of 10 students like pizza. If three students are chosen at random…

A: We have to find given probability..

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: A recent study shows that 4% of California residents consider purchasing an electric car . If we…

A:

Q: 31. A basketball player has a 75% chance of making a free throw. What is the probability of her…

A: Given dataProbability of making a free throw (p) = 0.75n = 120Let X denotes the no of free…

Q: On one large campus, 18% of students surveyed said that they spend less than an hour a night…

A: Let X denotes the number of students spend less than hour a night studying. Here, n= 3 and p = 18%…

Q: Sixty-three percent of U.S. households have a personal computer. In a random sample of 400…

A: Let p be the proportion of households have a personal computer. Given that p = 0.63 Let X denote the…

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.