In a recent study of college students indicated that 30% of all college students had at least one tattoo. A small private college decided to randomly and independently sample 15 of their students and ask if they have a tattoo. Use a binomial probability table to find the probability that exactly 5 of the students reported that they did have at least one tattoo. Select one: A. 0.722 B. 0.515 C. 0.218 D. 0.207

Q: Fifty-eight percent of American adults eat at a table-service restaurant at least once a week.…

A:

Q: At a coffee shop, the first 100 customers' orders were as follows. Small Medium Large Hot 5 48 22…

A: P ( small | hot ) = probability of getting small coffee given that it is hot coffee. P(Small | Hot)…

Q: A geologist has collected 10 specimens of basaltic rock and 10 specimens of granite. The geologist…

A:

Q: A maker of yardsticks has an ink problem that causes the markings to smear on 4% of the yardsticks.…

A: Given information:It is given that N=2,000; n=100; p=0.04 (=4%).The sample proportion is…

Q: In engineering data analysis class, there are 20% girls and 80% boys. Students are either in OBL or…

A: Solution: 2. From the given information,

Q: A geologist has collected 12 specimens of basaltic rock and 12 specimens of granite. The geologist…

A: (a) There are 12 specimens of basaltic rock and 12 specimens of granite. A Laboratory assistant…

Q: State Farm Insurance studies show that in Colorado, 60% of the auto insurance claims submitted for…

A: (b) The random variable X is defined as the number of claims are made by males under age 25 which…

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: In a recent survey of a random sample of 437 California residents, 129 said they visited a state…

A: We want to find out the correct answer for given question

Q: In a football school, 25 matches per month are played. 15 of the 25 matches played in the past years…

A: Given ,no.of matches (n) =25and P=1525=35X=no.of matches won

Q: If one student is randomly chosen from the group, what is the probability that the student chose…

A: Given problem Given that     Homework Housework Outside Employment Recreation Other Total…

Q: In a survey of 1171​ people, 852 people said they voted in a recent presidential election. Voting…

A: The binomial distribution can be approximated by normal distribution if the sample size is large…

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: 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: Past records of a factory show that 4% of the candles produced are defective. What is the…

A:

Q: According to the Federal Insurance Agency statistics, the proportion of teenage drivers between the…

A: It is given that n=100 and p=0.54.

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: In a manufacturing plant producing LED light bulbs, 80% of the light bulbs produced are…

A: Given that, the 80% of the produced light bulbs are non, defective. Thus, 20 % of the light bulbs…

Q: a. Is this a binomial experiment? Why or why not? b. What is the probability that in a random sample…

A: Here use hypergeometric distribution

Q: Find the probability distribution of the total number of heads obtained in four tosses of a balanced…

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Q: as the sample. Contingency Table: Athletic Shoe Sandals Dress shoes Other Total Men 28 6. 8. 12 54…

A: Total no. of people = 130 No. of ways of choosing 2 people out of 130 = 130C2 a) No. of people…

Q: In Russia, 57 percent of the population use public transportation. In a sample of 10 individuals,…

A: Its binomial probability

Q: In the United States, 75 percent of adults wear glasses or contact lenses. A random sample of 10…

A: A random variable X, is said to follow binomial distribution if the probability mass function of X…

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

A:

Q: A group of 140 students at an elementary school were asked if they prefer the color orange to the…

A:

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

A: Let X denote the income of families in country A. Given that median of X is 58000

Q: Suppose in a local Kindergarten through 12th grade (K - 12) school district, 53 percent of the…

A: Given Information: 53% of the population favour a charter school for grades K through 5. Sample size…

Q: Too Young to Tat-Based on a Harris poll, among adults who regret getting tattoos, 20% say that they…

A:

Q: A school survey found that 7 out of 30 students walk to school. If two students are selected at…

A:

Q: In a certain country, 47 percent of the population are on a strict diet. In a sample of 20…

A:

Q: In the 1984 U.S. presidential election, approximately 60% voted Republican and 40% voted Democratic.…

A: As per the guidelines, we are only allowed to solve the first three subparts. Please post the…

Q: In a large corporation, 55% of the employees are male. A random sample of six employees is selected.…

A: The random variable X follows binomial distribution. The sample size is 6. The probability is 0.55.

Q: In a random survey of 20 students, find the probability that exactly 17 of them will say that they…

A: Given: Total number of students in survey n=20 Number of students say that they do not get enough…

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

A:

Q: Below, the two-way table is given for a class of students. Freshmen Sophomore Juniors Seniors Total…

A:

Q: At a restaurant, the probability that a customer will order a nonalcohlic drink is .56. Find the…

A: From the provided information, The probability that a customer will order a nonalcoholic drink is…

Q: it is reported that 20 percent of american households use a cell phone exclusively for their…

A: We have to find given probability.

Q: In a certain town, 62% of the residents enjoy riding roller coasters. Alfred takes a sample of 75…

A: Given Data: Using binomial to normal approximation Mean=n*p=0.62*75=46.5 Standard deviation=4.2036…

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: In a certain Country, 47 percent of the population are on a strict diet. In a sample of 20…

A: It's binomial probability distribution

Q: A sampling of children was asked if they would they prefer a lion or elephant  as their favorite…

A: Given data,   Lion Elephant Total Boys 90 110 200 Girls 75 85 160…

Q: The grades of a freshman college class, obtained after the first year of college, were analyzed.…

A: Percentage of students In top quarter is 70%. College class had graduated in the upper 10% of their…

Q: In a review class of 80 students, 70 passed the board exam. If a student is selected at random, what…

A:

Q: a singlé randomly selected movie, find the probability that this movie's production cost is between…

A: here given, the average cost for major  movies is 65 million dollars and the standard deviation is…

Q: In a survey of 1145 ​people, 775 people said they voted in a recent presidential election. Voting…

A: Here, n=1145, p=0.65, x=775.

Q: In a certain city, the distribution of the first- and second-born children of two-children families…

A:

Q: It is known that​ 35% of students change their major in college. In a random sample of 500​…

A:

Q: In a survey of 1000 social-media account holders aged 18 years and older conducted by a certain…

A: Total numbers of account holders: n=1000 Probability that they have one or two account is: p=0.61…

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.