Suppose that 25% of all students on campus wear glasses. If two students are chosen at random, what is the probability that both of them wear glasses? Give the answer as a decimal rounded to three places.

Q: If 64% of the people at a certain conference are doctors, 31% are women, and 29% are female doctors,…

A: Solution

Q: What is the probability that she will roll a number less than 3

A: Here cube is numbered from 1 to 6 So Total possible outcomes  1,2,3,4,5,6 That is total no of…

Q: Catherine Chao, director of marketing research, needs a sample of Kansas city households to…

A:

Q: Suppose 42 % of the students in a university are baseball players. If a sample of 628 students is…

A:

Q: Carson has a 30% chance of beating his brother in a race. If they raise 10 times, what is the…

A: (n C r) prqn-r

Q: If 58% of the people at a certain conference are doctors, 38% are men, and 18% are male doctors,…

A: Given If 58% of the people at a certain conference are doctors, 38% are men, 18% are male doctors,

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: It has been estimated that 21% of Americans are smokers. If five American adults are chosen at…

A: From the provided information, It has been estimated that 21% of Americans are smokers that is p =…

Q: What is the probability two people in a classroom of 25 have the same birthday?

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Q: (a) What is the probability that 3 of the faculty have blood type O-negative? (Round your answer to…

A:

Q: You are pulling from a bag containing 9 blue marbles, 8 black marbles, 8 green marbles, and 3 yellow…

A:

Q: Suppose we roll 10d6 and observe that the number 6 appears three times. What is the probability…

A: The arrangements of 3 six's among 10 results of dice will form the sample space of the random…

Q: The Newspaper reports that among individuals in the 40 to 50 age, 45% drink coffee. If 200 people of…

A: Givenp=0.45n=200let "x" be the number of coffee…

Q: The probability that fewer than 43 of 168 eligible voters voted is.

A: Given: Total number of eligible voters = n = 168 P(number of eligible voters who voted) = p =0.22

Q: Suppose a recent study determined that 29% of Americans favorite ice cream flavor is If a sample of…

A:

Q: Fifty-eight percent of runaways in the United States are female. If 20 runaways are selected at…

A: Given Information Probability of female on the Runaways p = 0.58 Let X denotes No of female No of…

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

A:

Q: What is the probability of randomly drawing 7 cards at once from a standard deck of cards and…

A: From the provided information, Total cards in standard deck = 52 Sample size (n) = 7

Q: According to a recent survey, 35% of respondents drive Japanese-made cars. From a random sample of…

A: Let X be tbe number of driving a Japanese-made car from Binomial distribution with probability (p)=…

Q: If an average of 18 customers are served per hour, what is the probability that the next customer…

A:

Q: If 66% of the people at a certain conference are doctors, 63% are women, and 77% are doctors or…

A: Given that, 66% of the people at a certain conference are doctors i.e. P(doctors) = 0.66 63% are…

Q: Suppose that General Mills has a promotion in which one randomly selected miniature action figure is…

A: There are 5 distinct action figures. The probability distribution of the 5 boxes to receive a…

Q: What is the probability that he will roll a number greater than 2

A: Given:  A six pair to dice rolled from  S={1,2,3,4,5,6}  then to find probability that number…

Q: Find the probability that none of the households are tuned to Found?

A:

Q: Suppose 45% of the doctors in a hospital are surgeons. If a sample of 844 doctors is selected,…

A: Solution: From the given information, the probability of the doctor in a hospital is a surgeon is…

Q: Suppose that a person rolls two balanced dice three times in succession. Determine the probability…

A: Here Given two balanced die are rolled  so Probability of each outcome is  same And each is rolled…

Q: Suppose 48 % of the registered voters in a country are Republican. If a sample of 597 voters is…

A: The mean of sampling distribution of proportion is obtained below: From the given information, the…

Q: If a person is randomly chosen from the town's population, what is the probability that the person…

A: The data is given by Age Full-time  Part-time Unemployed Total 0-17 24 164 371 559 18-25 185…

Q: In a large population, 59 % of the people have been vaccinated. If 5 people are randomly selected,…

A: Given Data Probability of success,p = 0.59 Probability of failure,q=(1- 0.59 )= 0.41…

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: An exit poll during a recent election revealed that 55% of those voting were women and that 65% of…

A: P(A|B) = P(A∩B)P(B)

Q: If you know that 30 percent of all high school graduates go to college. From 20 graduates selected…

A: We have to find given probability.

Q: The probability that a house in an urban area will develop a leak is 6​%. If 13 houses are…

A: Given : The probability that a house in an urban area will develop a leak is 6​%. 13 houses are…

Q: What is the probability that a randomly chosen senior will have a GPA greater than 4.1? The…

A:

Q: A flu test shows that about 31% of all patients visited the hospital. Suppose that 90 patients…

A:

Q: The probability that a house in an urban area will develop a leak is 55​%. If 22 houses are…

A: Let "X" be the houses that will develop a​ leak.

Q: If a person takes a five questions true-false, what is the probability of the event that the score…

A: For the given statement

Q: f 2 percent of the rifles in an arsenal are defective, what is the probability that a random sample…

A: Given that  2 percent of the rifles in an arsenal are defective . P = 2% = 0.02 Sample size (n) =…

Q: Suppose 45 % of the doctors in a hospital are surgeons. If a sample of 844 doctors is selected, what…

A:

Q: If a person in this town is selected at random, what is the probability that the individual is…

A: As per Bartleby guidelines, only one is to be answered; please upload the other separately. Given…

Q: A box contains 15 green marbles and 16 white marbles. If the first marble chosen was a white marble,…

A: Solution: From the given information, a box contains 15 green marbles and 16 white marbles. Total…

Q: Suppose that 40% of boys opted for mathematics and 60% of girls opted for mathematics. What is the…

A: Define the events as: B: The student is a boy B' : The student is not a boy (the student is a girl)…

Q: If the probability that the Islanders will beat the Rangers in a game is 81%, what is the…

A:

Q: What is the probability that in three consecutive rolls of two fair dice, a person gets a total of…

A:

Q: Suppose 42% of the banks in Switzerland are private organizations.   If a sample of 442 banks is…

A: It is known that, the mean of the sampling distribution of p-hat is equal to the population…

Q: What is the probability that a randomly selected student owns a home, given the student is a female?

A: 5. The probability that a randomly selected student owns a home, given student is a female is,…

Q: The probability that an individual is left-handed is 12%. In a randomly selected class of 30…

A: The following information has been given: The probability that an individual is left-handed is 12%.…

Q: It is reported that 15% of all books sold are of the science fiction genre. If a bookstore sells 316…

A: The binomial probability distribution with parameters n and p is, PX=x=nxpx1-pn-x In the formula, n…

Q: a. If a graduate is chosen at random, what is the probability that his IQ is more than 115? b. If a…

A: Let X denotes the IQ of school graduates. Given that X follows N(mean = 120, SD = 10), then Z = (X -…

Q: A sample of 4 different calculators is randomly selected from a group containing 20 that are…

A: Given,no.of defective calculators=20no.of non defective calculators=10total no.of calculators=30