It is reported that the probability that a worker drive to work alone is 0.7. Assume 8 workers are selected at random. Find the probability that at most 3 workers drive alone to work. Answer:

Q: ​(a) What is the probability that among 12 randomly observed​ individuals, exactly 8 do not cover…

A: Consider a random variable X which represents the number of individual who will not cover his or her…

Q: Given that there is a 0.82 probability that a randomly selected adult knows what Twitter is. Find…

A:

Q: A test was given to a group of students. The grades and gender are summarized below A Total Male 18…

A: Given:

Q: Compute the probability of randomly drawing five cards from a deck and getting exactly one Queen?…

A: There are 52 cards in a standard deck of cards.  We can draw any 5 cards in 52C5=2598960 ways…

Q: If one student is chosen at random, calculate the following probability. P(female OR got an A ) =…

A: Question 3: There are totally 86 students in which there are 49 males and 37 females. From the 86…

Q: A test was given to a group of students. The grades and gender are summarized below A В Total Male 6…

A: The number of students got grade C is 26. The number of students is female and got grade C is 14.

Q: Assume that in a large city, 60% of all employees are working at home. d. If 13 employees are picked…

A: From the provided information, 60% of all employees are working at home that is p = 0.60

Q: Consider a family with three children. Given that at least one of the children is a boy, whatis the…

A: Solution

Q: A coin is tossed and an eight-sided die numbered 1 through 8 rolled Find the probability of tossing…

A: We have,  There are two event, E1=  Tossing a coin and getting tail E2= rolling a die, getting…

Q: An ENGDATA class for engineers consists of 5 industrial, 10 electronics, 12 mechanical, 10…

A: There are total (5+10+12+10+8)=45 students.  Among them (12+10)=22 are mechanical or electrical…

Q: A poll is given, showing 20% are in favor of a new building project. If 8 people are chosen at…

A:

Q: A poll is given, showing 65% are in favor of a new bulding project. If 6 people are chosen at…

A: 1)Answer: Given that: p= 0.65 , n= 6 now will use Binomial probability…

Q: A test was given to a group of students. The grades and gender are summarized below В Total Male 9.…

A: we use the formula P(A|B) = P( A n B ) / P(B)

Q: What is the probability of exactly two of the selected bulbs are rated 75-W? What is the probability…

A:

Q: Given that the probability of a company having a section in the newspaper is 0.43, and the…

A:

Q: One- fourth of the freshmen entering UC are out of CAR students. If the students are assigned at…

A:

Q: The probability of an 60 year-old male living to 70 years old is equal to in 2019. (Art_13_07_B)

A:

Q: Assuming that one in 80 births is a case of twins, calculate the probability of 2 or more sets of…

A:

Q: After rolling a fair 20 sided die 200 times, the observed(or experimental) probability of rolling a…

A: Given that the experimental probability is = 25%   The die is 20 sided. So the theoretical…

Q: A poll is given, showing 75% are in favor of a new building project. If 10 people are chosen at…

A:

Q: A poll is given, showing 55% are in favor of a new building project. If 8 people are chosen at…

A: Given,n=8p=0.55X=no.of people favor the new building projectX~Binomial (n=8 , p=0.55)P(X=x)=nx px…

Q: A poll is given, showing 25% are in favor of a new building project. If 9 people are chosen at…

A: Given data, p=25%=0.25 n=9 P(X=8)=?

Q: A cookie is selected at random from a basket containing 27 peanut butter ​cookies, 24 sugar…

A:

Q: According to a survey, 67% of the students at Delta own a calculator. A group of 9 students is…

A:

Q: In country X, 41% of the adult population is nearsighted. If four people from this country are…

A: Solution: Let Y be the number of people are nearsighted and n be the sample number of people. From…

Q: A poll is given, showing 60% are in favor of a new building project. If 8 people are chosen at…

A: Given p =0.6 and n=3   P(X>3)=1-P(X<3)               =1-Cxn px(1-p)n-x…

Q: Assuming equal sex ratios, what is the probability that a sibship of 6 children consists a) three…

A: Total children (n) = 6 The sex ration are equal, that is p = 0.5 The process will follow binomial…

Q: After rolling a fair, six-sided die 100 times, it was observed that the probability of rolling a 2…

A: We know, that on rolling a fair dice, the probability of obtaining 2 on a dice roll is 0.167

Q: Suppose a coin with Pr[H]=3/4 is flipped 4 times. Answer the following questions: What is the…

A: Consider,P(H) = ¾,P(T) = ¼N = 4 (four times coin flipped)Thus,

Q: . For the 47 tires tested, find the probability that the average miles (in thousands) before need of…

A: The mean and standard deviation are 69 and 13, respectively.

Q: Given 15 balles numbered 1 to 15. What is the probability that 3 balls chosen without replacement…

A: Given ; 15 balles numbered 1 to 15. What is the probability that 3 balls chosen without replacement…

Q: Based on a poll , among adults who regret getting tattoos , 20 % say that they were too young when…

A:

Q: A poll is given, showing 65% are in favor of a new building project. If 8 people are chosen at ndom,…

A: Define the random variable x as the number of individuals in favor of a new building project. Here,…

Q: A survey revealed that 36% of people are entertained by reading books, 30% are entertained by…

A:

Q: A test was given to a group of students. The grades and gender are summarized below A В C Total Male…

A: Question: If one student is chosen at random, find the probability that the student was female GIVEN…

Q: if three balls are drawn at random, what is the probability that at least one of them is blue?

A: Three balls are randomly drawn from the box.The probability of at least one of them is blue can be…

Q: A spinner with 11 equal-sized sections numbered 1 to 11 is spun once. What is the probability that…

A:

Q: according to popular belief, 80% of adults enjoy drinking beer. choose a group of 4 adults at…

A: The probability distribution explains the all the possible outcome in the experiment and the…

Q: Find the indicated probability. Nonsmoker Occasional Smoker Regular Smoker Нeavy Smoker Total Men…

A: Given data,   P(Man or heavy smoker)=?

Q: A random sample of 250 working adults found that 74% access the Internet at work, 88% access the…

A: a.

Q: Given that there is a 0.81 probability that a randomly selected adult knows what Twitter Find the…

A: It is given that the sample size n is 4, probability of randomly selected adult knows that Twitter…

Q: A die has been “loaded” so that the probability of rolling any even number is 2/9 and the…

A: Given data:     The probability of getting an even number is: P(E)=2/9. The probability of getting…

Q: based on a pole, among adults who regret getting tattoos, 23% say that they were too young when they…

A:

Q: The speed of airliners flying at cruise altitude is normally distributed with a u=522.0 miles/hour…

A:

Q: Given that a randomly chosen card from a standard deck of 52 cards is less than 7, what is the…

A:

Q: Large sheets of metal have faults in random positions but on average have 1 fault per 10 m2 a. What…

A:

Q: A poll is given, showing 65% are in favor of a new building project. If 9 people are chosen at…

A: Let X be the number of people who are in favor of a new building project which follows binomial…

Q: b. If 29 different women are randomly selected, find the probability that their mean weight is…

A: Let X denote the weights of women. Given that X follows N(mean = 172, SD = 37) Let M be the sample…