Question: A survey is conducted among 70 people. Details about if theyhave diabetes and their family history of diabetes are collected. 48 people reported that they have a family history of diabetes. 32 of them reported to have diabetes among which 23 of them had a family history of diabetes. Construct a contingency table with this information. What is the probability that an individual has diabetes given that the individual had a family history of diabetes?

Q: i) What is the probability of choosing a card that is not a red cards? ii) What is the probability…

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Q: a) What is the probability that a randomly selected individual owns shares in a bond fund? [ d b)…

A: P(that the individual owns share in high risk stock)=12100=0.12 P(that the individual owns share in…

Q: In a class of students, the following data table summarizes how many students have a brother or a…

A: From the provided information,   Has a brother Does not have a brother Total Has a…

Q: (b) What is the probability of getting exactly two heads? (c) What is the probability of getting no…

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Q: Using a fair coin and a fair six-sided dice, what is the probability of tossing tails and rolling an…

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Q: A study contains 31 women and 24 men. If 3 subjects are randomly selected without replacement, what…

A: Solution-: We have, Number of women =31, Number of men =24            Total number of persons (Women…

Q: 5) People were asked if they prefer Pepsi or Coke. The results are in the table below. Female Male…

A: ( a ) P( both prefer Pepsi) = ? ( b ) P( Female or Coke ) = ?

Q: Real estate ads suggest that 59 % of homes for sale have garages, 25 % have swimming pools, and 24 %…

A: Solution: Let A be the event that homes for sale have garages, B be the event that homes for sales…

Q: What is the percent probability that a family randomly chosen has both a red and a silver car? Round…

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Q: If three fair coins are tossed, what is the probability of not tossing three heads? EO O O

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Q: (d) What is the probability that a person does not watch the British Open?

A: Let's define the events first. M : The event that watch the Masters. B  : The event that watch the…

Q: ackie did a survey of the stu Not Wearing Yellow Wearing Yellew Wue Lyes 10 2. Not Blue Lye 30 20.…

A: We have to find out given probability ..

Q: Students in a school were surveyed about their study habits. Forty-two percent of students said they…

A: Let weeknight = A and weekends=B P(A∩B) =42100=2150 P(B) =47100 P(A∪B) = 65100=1320 P(A) =? (have to…

Q: Bonnie and Kelly are part of a group going to a basketball game. The group has two court-side seats,…

A: Given: court-side seats = 2 upper-level seats = 5 seats in general admission = 4 Total seats =…

Q: A teacher asks a class of 41 students about the sports they like. 17 of the students like tennis, 34…

A: First you will represent the given information in the form of a Venn diagram to make things simpler

Q: Part-time Full-time Total No Gym Membership 16 48 64 Gym Membership 11 55 66 Total 27 103 130   A…

A: The given summary table is, The probability that the student has a gym membership and they are part…

Q: In a class of students, the following data table summarizes how many students have a cat or a dog.…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: What is the probability of selecting a public school if you choose one school at random from the…

A: The probability of selecting a public school if you choose one school at random from the data can be…

Q: c) Last Sunday, Kedah FC won their match. What is the probability that it was a wet day?

A: Given , P( wet day ) = 2/5 P( Dry day ) = 1 - 2/5 = 3/5 P( win | Dry day ) = 3/7 P( win | wet day )…

Q: The residents of a small town and the surrounding area are divided over the proposed construction of…

A: a. The contingency table is given as,   Support Racetrack Oppose Racetrack Row Total…

Q: a. What is the probability of obtaining a blue marble? b. What is the probability of obtaining a…

A: Given: No. of red marbles =20 No of large red balls=10 No of small red balls=10 No. of blue…

Q: Elena asks the students in one of her classes if they have a cat or a dog. Her results are recorded…

A: Given observation

Q: A survey is conducted about 15% of the peoples have hearing trouble in Texas. A sample of 111…

A: From provided information, A survey is conducted, 15% of people have hearing problem. A sample of…

Q: What is the probability that a student who plays an instrument is not in band? Band Not in band…

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Q: (a) What is the probability that the first chip you draw is blue? (b) Suppose you drew a blue chip…

A: Note: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts…

Q: Four equally qualified runners, John, Bill, Ed, and Dave, run a 100-meter sprint, and the order of…

A: As per our guidelines we are supposed to answer only 3 sub-parts of any one question

Q: A survey is being conducted in a county where 63% of the voters are Democrats and 37% are…

A: Given: A survey is being conducted in a country where 63% of the voters are democrats and 37% are…

Q: What is the probability of a family having five boys born in a row?

A: chance of having a boy, is 0.5. and to have 5 boys in a rowit is with same chance always…

Q: 10. Five hundred students are interviewed about their ways to get to school. The results are…

A: Probability of a random student from middle school who takes a car to school where the data is given…

Q: 3. Consider a roll of two 4-sided dice. A. How many members will the outcome set have? B. If the…

A: Given problem is : Consider a roll of two 4-sided dice. A. How many members will the outcome set…

Q: Social Networking Based on data from the Pew Internet Project, 74% of adult Internet users use…

A: The probability of getting an adult Internet user who uses the social networking sites is 74%.

Q: a) If you choose a person at random, what is the probability that the person is color-blind? b) If a…

A: E1: Men   P(E1) = 0.5 E2: Female  P(E2) = 0.5 A: Color Blind P(A|E1) = 0.05 P(A|E2) = 0.0025

Q: What's the probability that none, one, two, three, or four puppies have pointy ears?

A: The Statspoodle, a German dog, can have pointy or floppy ears. Whether a Statspoodle has pointy or…

Q: 3. The question, “Do you play sports?" was asked of 80 students. The results of the survey are shown…

A: (a) Obtain the probability that the person plays sports given that the person is a male. The…

Q: Social Networking In a Pew Research Center survey of Internet users, 3732 respondents say that they…

A: The total number of respondents is,

Q: a) What is the probability that Mary comes back home with a gold or silver medal? b) What is the…

A:

Q: a deck of cards, what is the probability of getting the following: a. A red card? b. A face card or…

A: Since we know that in standard deck there are  52 cards  total

Q: a. What is the probability that the company selected has its corporate headquarters in California?…

A: The probability of an event E =No. of favourable casesTotal no. of cases=n(E)n(S), where S= sample…

Q: What are the possible outcomes when three coins are tossed simutaneously? What is the probability…

A: Ans -  The possible outcomes when three coins are tossed simultaneously          Sample space S =…

Q: (a) What proportion of the defendants will be convicted by the jury? 38 (b) Given that a defendant…

A:

Q: a. What is the probability that the random selected person is a female? b. What is the probability…

A: Given:   Total number of person=n(S) =347

Q: What is the probability of selecting a veteran that lives in your city given they live in your…

A: The state population is 28,995,881, the city population is 978,908 and the country population is…

Q: In tossing a fair die, what is the probability of getting an even number or a number greater than 3?

A: Given data :  Total numbers in a fair die = 6  That is the sample space is , S = { 1 , 2 , 3 , 4 , 5…

Q: (b) What proportion of the children were 35 months or older, but less than 45 months of age when…

A: Rearrange the data set and create a frequency table from the above data given.

Q: a) If he put a bet on the "red" spot, what is the probability that he would win? Explain. b) If he…

A: There are totally 38 numbers in roulette wheel out of which 18 are red and 18 are black. a) The…

Q: 2. Consider drawing a card from a standard deck of playing cards. a. What is the probability of…

A: A): Total number of cards in a deck=52 Total Number of red cards=26 P(drawing a red card)=2652=12

Q: Question-3 a. Thirty percent of business travelers carry a laptop. In a sample of 17 business…

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Q: (a) What is the probability that a PC is in a bedroom? (b) What is the probability that it is not in…

A: here use given probability

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.