In a fertility clinic, 40% of the women patients did not become pregnant, 30% had a singleton birth, 20% gave birth to twins, and 10% had triplets. What percentage of the women became pregnant?

Q: Last year at Townsburg High School, 28% of the graduating seniors took the ACT exam, 34% of the…

A: It is given that the proportion of the graduating seniors took the ACT exam is 0.28, the proportion…

Q: Twenty percent of the trees in a particular forest have a disease, 30% of the trees are too small to…

A: Bayes' Theorem :  Bayes’ theorem is a mathematical formula used to determine the conditional…

Q: What percentage of those sampled had high blood pressure? What percentage of those sampled were over…

A:

Q: If a person is dealt 13 cards from an ordinary deck of 52 playing cards several times, how many…

A: Given : n = 13 p = 0.25 q = 0.75

Q: A manufacturer of electric bulbs sends out 500 lots each consisting of 100 bulbs. If 5% bulbs are…

A: It is given that a manufacturer of electric bulbs sends out 500 lots each consisting of 100 bulbs.…

Q: In the Dark Ages, Harvard, Dartmouth, and Yale admitted only male students. Assume that, at that…

A: Given that, In the Dark Ages, Harvard, Dartmouth, and Yale admitted only male students. Assume that,…

Q: in a certain city, 60% of the heads of household own the house in which they reside, and 80% of the…

A: Computation of probability is based on different rules.

Q: In order to develop a more appealing​ cheeseburger, a franchise uses taste tests with different​ 9…

A: number of different type of buns=9 number of different type of cheeses=7 number of different  type…

Q: During a recent election, 48 of every 100 registered voters in a certain city voted. If there were…

A:

Q: How likely is it for a vehicle to have an accident history if it was known to be a car or a bus?

A: Here complete table

Q: Sarah believes that completely cutting caffeine out of a person’s diet will allow him or her more…

A: Let; d = Numbers of Nights of Restful Sleep With Caffeine - Numbers of Nights of Restful Sleep…

Q: A survey of Hoosiers found that 47% are Pacers fans, 34% are Colts fans, and 35% are Pacers fans but…

A: Solution: Let A be the event that Hoosiers are Pacers fans and B be the event that Hoosiers are…

Q: Suppose the marketing company did a survey. They randomly surveyed 145 households and found that in…

A: Solution As per guidelines we answer the three subparts only.

Q: In a survey of 50 music lovers, 18 enjoyed classical music, 29 enjoyed popular music, and 14 enjoyed…

A: see below the answer and calculation

Q: Sarah believes that completely cutting caffeine out of a person’s diet will allow him or her more…

A: From the provided information, Sample size (n) = 8 Level of significance (α) = 0.05

Q: Step 1 of 3 : State the null and alternative hypotheses for the test. Fill in the blank below.…

A: We need to state suitable Null and Alternative Hypothesis for the problem situation

Q: Among students at a nearby college, the proportion who say they're interested in their congressional…

A:

Q: A poll of students showed that 45 percent liked basketball, 50 percent liked soccer, 40 percent…

A:

Q: Sarah believes that completely cutting caffeine out of a person’s diet will allow him or her more…

A:

Q: In one year, three awards (research, teaching, and service) will be given to a class of 25 graduate…

A: Given, In a year, 3 awards are given to a class of 25 students such that no one gets more than 1…

Q: A random study reported that 70% of very-low-birth-weight bables graduate from high school by age…

A: we have to find out expected value..

Q: d.If the true percentage is 10% and this obstetrician has 146 pregnant women under his care, how…

A: Here we have two types of outcomes viz. the pregnant woman will deliver prematurely or not. The…

Q: Suppose 55 percent of the customers at Plzza Palooza order a square plzza, 77 percent order a soft…

A:

Q: In a study of 900 adults, 45 out of 325 men in the study said they preferred to rent a movie on DVD…

A: From the provided information, Total adults = 900 Total men = 325 The number of men who preferred to…

Q: Sarah believes that completely cutting caffeine out of a person’s diet will allow him or her more…

A:

Q: In Fall 2013, 10.5 million undergraduate students attended a 4-year institution full-time. Of those,…

A: Total students in institution = 10.5 million number of Students under age 25 = 8,540,000 number of…

Q: If a person is dealt 13 cards from an ordinary deck of 52 playing cards several times, how many…

A:

Q: According to FBI data, 12% of burglaries.   What should we conclude if the detective clears all…

A: Introduction to binomial distribution: Consider a random experiment involving n independent trials,…

Q: In a fertility clinic, 40% of the women patients did not become pregnant, 30% has a singleton birth,…

A:

Q: A certain college enrolled 29,000 students in the fall of 2015. It was reported that of that number,…

A: Total no of students = 29000no of female =29000 x51100                   = 14790 no of male =…

Q: In a survey of 260 students, it is found that 78 like broccoli, 103 like cauliflower, and 56 like…

A: We will solve it by Venn diagram Let A be the set who like broccoli and B be the set who like…

Q: Suppose 20% of cars are sportscars and that 30% of sportscars are red, and that 25% of all cars are…

A:

Q: Suppose 60 percent of the customers at Pizza Palooza order a square pizza, 80 percent order a soft…

A: Given Data: Let X represent the event of ordering a square pizza Let S represent the event of…

Q: If a person is dealt 13 cards from an ordinary deck of 52 playing cards several times, how many…

A: Solution

Q: A survey of 2500 subscribers to a certain news paper revealed that 2250 people subscribe to the…

A: Given a survey of 2500 subscribers to a certain news paper revealed that 2250 people subscribe to…

Q: In a large school, it was found that 71% of students are taking a math class, 72% of student are…

A: Given : In a large school, it was found that 71% of students are taking a math class, 72% of student…

Q: A US consumer magazine asked all adult subscribers whether they had used alternative medical…

A: The set or collection of all possible observations is defined as the population. The proper subset…

Q: 7. A study shows that 80% of the population was vaccinated against the Venusian flu but 2% of the…

A: Let us denote :A=the event that a person got vaccinatedB=the event that a person got fluGiven that…

Q: veterinary clinic reports that out of 3,412 animals registered at the clinic, 1,712 are dogs, 1,012…

A: Given : A veterinary clinic reports that out of 3,412 animals registered at the clinic, 1,712 are…

Q: For the purposes of a marketing research, a survey of 100 women is conducted in a town, The results…

A: The complement of set A is A' and it is defined using the formula, A'=E-A, where, E is the universal…

Q: In a survey of 600 students in a school, 150 students were found to be taking tea and 225 taking…

A:

Q: Suppose 49 percent of the customers at Pizza Palooza order a square pizza, 71 percent order a soft…

A: Given, Let, A=Customer order a square pizza        B=Customer order a soft drink Then, p(A)=0.49 ,…

Q: Suppose the prevalence of "dance fever" at a college is 40% among women and 10% among men. If there…

A: Given that the prevalence of dance fever among women is 40%. The prevalence of dance fever among men…

Q: On a particular night, a baseball stadium sells 60% of its seats, and of those, 15% do not end up…

A: According to the provided data, 60% of the seats are booked and 15% of these do not end up showing,…

Q: one group (a) contains 510 people. one third of the people in group a will be selected to win $50…

A:

Q: In a class, 96% students have at least one smartphone, 98% have a calculator, and 95% have a…

A:

Q: If 55 percent of the families in a certain city subscribe to the morning newspaper, 60 percent of…

A: Let event A represent families in a certain city subscribe to the morning newspaper. Let event B…

Q: A computer manufacturer buys 30% of its chips from supplier A and the rest from supplier B. Two…

A: It is given that, 30% of computer chips are brought from supplier A, and rest from supplier B, while…

Q: neither an iPhone nor an iPad. Twenty percent use an iPhone, while thirty percent use an iPad. How…

A:

Q: In a survey conducted by Helena, a financial consultant, it was revealed of her 411 clients 279 own…

A: Let S denotes the stocks, B denotes the bonds and M denotes the mutual funds. Then from the given…