According to a 2020 article, 69% of men do not wash their hands after using a public restroom. Suppose a random sample of 40 men are selected. What is the probability that more than 25 of them will not wash their hands after using a public restroom? O 0.767 0.855 O 0.145 O 0.233

Q: Suppose that 70% of college women have been on a diet within the past 12 months. A sample survey…

A: Correct answer is 0.0371

Q: What is the probability that a randomly selected adult has a "normal" resting body temperature that…

A: Given :  Empirical evidence shows that the "normal" resting adult body temperature is normally…

Q: In a survey of 169 people, the following data were obtained relating gender to color-blindness:…

A: From the provided information,   Color-Blind (C) Not Color-Blind/overline C Total Male…

Q: From a class of 20 boys and 15 girls, a committee of five students will be selected. What is the…

A: Given that  Total students=20+15=35 Boys=20 , Girls=15 5 students are selected  Find  P(Exactly 1…

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

A: According to the provided information, 20% of adults in the United States smoke. Consider a group 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: At a community center, 200 members are asked if they own a bike and if they have owned a bike in the…

A:

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: According to the Federal Communications Commission, 70% of all U.S. households have vcrs. In a…

A: The following data is given: The population proportion that US households have vcrs, p=0.7p = 0.7,…

Q: According to a 2020 article, 69% of men do not wash their hands after using a public restroom.…

A:

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

A: Solution: Let X be the number of adults say that they were too young when they got their tattoos and…

Q: In a Gallop Poll, 35% of 30 - 49 states that they believe in ghosts. Find the probability that out…

A: (a) The probability that college students do not believe in ghosts is, P(do not believe in ghosts)…

Q: Out of 50 cans of baby formula, 1 can is deficient in iron. What is the experimental probability…

A: Experimental probability of an event= Number of times an event occursTotal number of trials

Q: A political scientist is analyzing the possible voting outcomes of a proposal. According to polls,…

A: According to the given information, we have The probability that a voter will vote yes is 50% Sample…

Q: Provide an appropriate response. The National Association of Realtors estimates that 23% of all…

A: Given information Probability that homes purchased in 2004 considered investment properties(p) =…

Q: According to a government commission, 70% of the nation's households have VCRS. In a random sample…

A:

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

A:

Q: A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 40%…

A: Let X denote the no. of people prefer the color of brown and it follows binomial distribution with…

Q: The newspaper reports that among individuals in the 18 to 22 age, 25% drink coffee. If 400 people of…

A: Given,n=400p=0.25q=1-0.25=0.75np=400×0.25=100≥5nq=400×0.75=300≥5we can use normal…

Q: Q. A state public health department wishes to investigate the effectiveness of a campaign against…

A:

Q: According to govemment data, the probability that a woman between the ages of 25 and 29 was never…

A:

Q: In a survey of 1100 female adults (18 years of age or older), it was determined that 341 volunteered…

A: There are 341 adult females who volunteered at least once in the past year among 1100 females.   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: A coach claims that no more than 1/4 of undergrad students will attend football games. What is the…

A: Central limit theorem: The central limit theorem states that the sampling distribution of the sample…

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

A:

Q: A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 40%…

A:

Q: A random sample of 2055 adults was taken, and they were asked if they prefer watching sports,…

A:

Q: In 2009, the Gallup-Healthways Well-Being Index showed that 63.1% of adults in the U.S. were either…

A:

Q: According to a government statistical​ organization, the unemployment rate for workers aged 22 to 25…

A: Given data: p = 5.7% Sample size (n) = 90 To find: a. What is the probability that 6 or fewer will…

Q: The Association reports that among individuals in the 48 to 55 age, 45% drink coffee. If 200 people…

A: let X: number of coffee drinkers…

Q: ong adults in the U.S., 60% choose potatoes as their favorite vegetable.  In an Idaho Potato…

A:

Q: A survey of 200 people was conducted to see if they smoke. The results are shown in the table. Male…

A: The probability that the person is a male or a smoker is obtained below: The results are shown in…

Q: A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 50%…

A:

Q: In a survey, 250 drivers were asked about their vehicle preferences. Vehicle Preference Car Van…

A: We have to find given probability.

Q: A recent survey found that 65% of all adults over 50 wear glasses for driving. In a random sample of…

A:

Q: According to a survey, 31% of teenagers could recognize a picture of legendary film star John Wayne.…

A: We have to find out given probability that Rendomly selected  teenagers could recognize John…

Q: Out of 50 cans of baby formula, 1 can is deficient in iron. What is the experimental probability…

A: P(E)=n(F)/n(S)

Q: c. What is the probability that in a random sample of 2, at least one has been abroad?

A: (C) Let X be the random variable from binomial distribution with probability of people have been…

Q: A survey of 200 people was conducted to see if they smoke.   The results are shown in the table.…

A: The provided data is,

Q: The chance that a U.S. police chief believes raising the cost of parking tickets "significantly…

A: We have given that  n=9 , p=1/4=0.25  , q=1-0.25=0.75 X~Binomial(n=9,p=0.25) Find P(X=5)

Q: What is the probability that a female college student from this group chose "housework" as their…

A: What is the probability that a female college student from this group chose "housework" as their…

Q: 100 persons are surveyed about their smoking habits. The results are shown below: Do you smoke? Male…

A: The total number persons is 100.

Q: In responding to a survey question on a sensitive topic (Have you ever tried marijuana? Have you…

A: Suppose 80% of population have not yet tried marijuana and all of those individuals will truthfully…

Q: Prior to airport construction, a survey was conducted if the residents in a certain barangay are in…

A: n=350, p=35%,  X~Bin(n=350, p=0.35) P(X≥100)=?

Q: For a week, a clothing company tracks the amounts spent by its customers, with the results shown to…

A: Here given grouped frequency distribution of amount spent by customers of clothing company

Q: A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 50 %…

A:

Q: Based on the most recent census, it is known that 62% of the adult population of the island of Gwark…

A:

Q: The results of a survey of 200 adults are shown in the table. 6' or over Under 6 Total Male 14 88…

A: According to the given information, we have   6' or over Under 6' Total Male 14 88 102 Female…

Q: A survey of 200 people was conducted to see if they smoke. The results are shown in the table. Male…

A:

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.