A survey conducted on a randomly selected day for an ice cream truck showed that 68% of customers purchase vanilla ice cream, 32% of customers purchased sprinkles on their ice cream, and 12% of customers purchased both vanilla ice cream and sprinkles. What is the probability that a randomly selected customer purchased vanilla ice cream given they had sprinkles?

Q: At an inspection line, several motors are inspected. It is known that defects between motors are not…

A: Solution-: Given : λ=5 We find, (a) P[the first defective motor is the fifth motor that you…

Q: It is known that a certain basketball player will successfully make a free throw 90.71% of the time.…

A: From the given information,P = 90.71%= 0.9071So, q = 1- P = 1-0.9071 = 0.0929n = 11we have to find…

Q: Of the patients at a cardiac rehabilitation centre, 37% lead a sedentary lifestyle and have had a…

A: 37% lead a sedentary lifestyle and have had a heart attack82% of the patients lead a sedentary…

Q: If the probability of having a female tortoise is 0.35, what is the probability of having four…

A: Given that,  The probability of having a female tortoise is, p = 0.35 The no.of eggs in a nest is, n…

Q: In one study, researchers at a clinic looked at more than 120,000 patients enrolled in 14…

A: Given Information:  Researchers at a clinic looked at more than 120,000 patients enrolled in 14…

Q: Forty percent of the students at a local college belong to a club and 50% work part time. 5% of the…

A:

Q: According to a study by a road safety interest group, the probability that speeding is a cause of a…

A: We have to find given probability.

Q: A study showed that 64.5​% of occupants involved in a fatal car crash wore seat belts. Of those in…

A: Solution: Let A be the event that  occupants involved in a fatal car crash wore seat belts. P( A)=…

Q: It has been found that one out of every ten people who visit a retail website make a purchase worth…

A: Given : It has been found that 1 out of every 10 people who visit a retail website make a purchase…

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: According to a survey of American households, the probability that the residents own 2 cars if…

A: According to the provided data,

Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A:

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: Among the adults in a large city, 34% have a college degree. A simple random sample of 100 adults is…

A:

Q: According to a recent survey approximately 68% of students at this campus are women. A group of 20…

A: Solution: Let X be the number of students are women and n be the sample of students. From the given…

Q: Assume that the critic finds that 25 percent of the movies have positive comments about the plot, 40…

A: The event A is defined as the movies have positive comments about the plot, event B is defined as…

Q: The average monthly grocery bill for an individual is normally distributed with a mean of $85 and a…

A: Solution: Let X be the average monthly grocery bill for an individual is normally distributed with…

Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A: Let X represent random variable   n=5 p=0.08   X~ binomial (5, 0.08)

Q: A recent poll of 300 executives' exercise habits revealed that 95 run and 127 bike.  49 reported…

A: P(A or B) = P(A) + P(B) - P(A and B)  Probability = favorable/total

Q: If the probability that an individual with a Bachelor Degree in Underwater Basket-weaving will be…

A: Given that the probability that an individual with a Bachelor Degree in Underwater Basket-weaving…

Q: The Statistical Bulletin reports that 22.5% of the households in the country are inhabited by one…

A: See below hand written answer: hgyukj

Q: If the probability that an individual with a Bachelor Degree in Underwater Basket-weaving will be…

A: Given Data: P( individual will be hired)=0.77

Q: Twenty percent of all undergraduates at a university are chemistry majors. In a random sample of…

A: Given information:Population proportion (p) = 20%                                         p =…

Q: The probability that a school-grade student would drink water, fruit juice, and soda is 0.5, 0.3,…

A: We can select 6 students who will drink water from 15 students in 15C6 ways.  The probability for…

Q: Suppose that 50% of adult Australians believe that Australia should apply to host the next rugby…

A: Given: p=0.5 n=150

Q: According to some estimates, approximately 34.3% of the American population has A+ blood.  Suppose…

A: We have to find given probabaility.

Q: If the probability that an individual with a Bachelor Degree in Underwater Basket-weaving will be…

A: It is given that probability that an individual with a Bachelor Degree in Underwater Basket-weaving…

Q: The national weather service states that 40% of hurricanes that make landfall on the east coast of…

A: we have to find probability that in a sample of 19 hurricanes that make landfall on the east coast…

Q: Of the cartons produced by a​ company, 10​% have a​ puncture, 8​% have a smashed​ corner, and 1.3​%…

A:

Q: Given a woman has positive mammography, what is the probability she has breast cancer?

A: Let us define some events A : a woman has breast cancer. B : a woman does not have breast cancer. E…

Q: Assume that 30 percent of students have taken calculus in high school. Of those who have taken…

A: Let define the events: C = students taken calculus in high school C=students do not taken calculus…

Q: According to US Census Bureau data 8% of African American adults earn more than $100,000 per year.…

A:

Q: According to a survey, 36.7% of people who visit Disney World have children under 18 in their…

A: A: People who visit Disney World have children under 18 in their household   B:  Household with…

Q: Last Fall Semester, 36% of freshmen who applied for football season tickets did not receive tickets…

A: Obtain the probability that more than 40% of those sampled did not receive tickets for all home…

Q: According to a study, 75% of k-12 schools or districts in a country use digital content such as…

A: Given: 75% of k-12 schools or districts in a country use digital content such as ebooks, audio books…

Q: suppose that a factory produces light bulbs and the percentage of defective lightbulbs is 3.5%. if a…

A: Probability of  defective lightbulbs(p)=0.035sample ssize(n)=550Let "x" be the no. of defective…

Q: In 2021, 500 teachers in GCPS were surveyed. 230 teachers surveyed were Science teachers, 200…

A: Given: N=500 N(S)= 230 N(M)=200  Half of the teachers teaching Math also teach a science subject.…

Q: A survey of 400 randomly selected high school students determined that 286 play organized sports.…

A: The objective of this question is to find the probability that a randomly selected high school…

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

A:

Q: An animal shelter has a 65% adoption rate for puppies. Of all puppies in the shelter, 72% live to be…

A: Let us denote A= a puppy gets adopted  B= lives 7 years or older given that  P(A)=65%=0.65 P( B | 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.