A university student faces a statistics exam, which offers 4 response possibilities. The probability that said student knows the answer to the question is 80% while the probability that he asks it randomly is 20%, also if the student asks it randomly, the probability that he chooses the correct answer is 20%. 25% So if the student answers a question correctly, what is the probability that she actually knows the answer? what is the correct? a. 0.05 b. 0.85 c. None of the above d. 0.9411

Q: Suppose that 34% of people own dogs. If you pick two people at random, what is the probability that…

A: No.of people select at random = 2 The probability of one person own dogs is, P(one person own dogs)…

Q: In a survey of 131 people 115 expressed support for the governor. Find p hat and a hat where p hat…

A: Given data, n=131 x=115 p=?

Q: Makayla is flying from Memphis to Oklahoma City with a connection in Denver. The probability her…

A:

Q: During his term living abroad, Quinn made a list of famous buildings to visit. Of the 10 buildings…

A:

Q: suppose that 64% of people own dogs. If you pick two people at random, what is the probability that…

A: Solution: Given information: Let A be the event that people having own dog P(A)= 0.64

Q: Suppose that 54% of people own dogs. If you pick two people at random, what is the probability that…

A: Let p be the probability that a person own dogs.Then,p=0.54.

Q: Coronary bypass surgery has a 95% success rate. If 2 people have coronary bypass surgery, find the…

A:

Q: A multiple choice quiz has 10 questions. Each question has 5 possible answers of which only one is…

A: Given that A multiple choice quiz has 10 questions. Each question has 5 possible answers of which…

Q: 2. Rohan, the bookworm plans on reading 8 books by next week. But he only reads novels, poetry,…

A: *answer:

Q: Jeremy sells a magazine which is produced in order to raise money for homeless people. The…

A: Given:n = number of trials =20 (since Jeremy approaches 20 people)p = probability of success on each…

Q: You roll a​ six-sided die. What is the probability of rolling a 6 or a number greater than 3? What…

A: We want to find the probability

Q: On a grocery store shelf, there are 16 loaves of white bread and 15 loaves of wheat bread. A shopper…

A: The objective of this question is to find the probability that a shopper randomly selects a loaf of…

Q: Can you help me find how many winning ducks

A:

Q: This season, the probability that the Yankees will win a game is 0.6 and the probability that the…

A: The provided information is    Win Lose Total 5 or more runs   0.33 0.48 Fewer than 5 runs…

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

A: According to the provided data,

Q: In a large population, 53 % of the people have been vaccinated. If 4 people are randomly selected,…

A: Given information- Given problem is of binomial distribution. Probability of success, p = 0.53 No.…

Q: Suppose that 44% of people own dogs. If you pick two people at random, what is the probability that…

A: Independent Events:   Any two events A and B are said to independent if the occurrence of the event…

Q: The probability of rain tomorrow in Gander is 40%. What are the odds of rain tomorrow?

A: Given data: The probability of rain tomorrow in Gander is 40%.  i.e ; p = 0.40 To find : What are…

Q: You have four toonies and three loonies in your pocket. You pull one coin out and then pull out…

A: We have 4 toonies and 3 loonies  Total coins = 7

Q: The probability of getting a girl is .541. What is the probability of having at least 2 girls?

A: A couple is planning on having 5 children. The probability of getting girl is 0.541. Probability of…

Q: A health instructor surveyed all his students, and tallied the results. The first survey questior…

A: The total number of students is 1+6+5+6=18.

Q: Imagine there are 23 people in a room.  Suppose that these people were selected randomly.  Give a…

A: Introduction: The probability of an event is the number of cases favorable for the event, divided by…

Q: On the last day of a Shakespeare class, an English teacher asked her students which play they liked…

A: The data shows the selected Shakespeare student liked the best.

Q: Suppose that kearny Hight school ,37%are juniors,54% are female, and 28%are female and juniors .Find…

A:

Q: The probability of an event is 27%. What are the odds of that event?

A: Given that the probability of an event is = 27%= 0.27  Let us denote the event by E So, P(E)=0.27

Q: A test consists of 10 multiple choice questions, each with five possible answers, one of which is…

A: It is given that the number of multiple-choice questions is 10.

Q: Seventeen percent of married couples say they are planning a trip to Europe. You randomly select 15…

A: Suppose a random variable x, defines the number of married couples, who are planning a trip to…

Q: Suppose that 67% of people own dogs. If you pick two people at random, what is the probability that…

A: From the provided information, 67% of people own dogs that is p = 0.67 Sample size (n) = 2 X~B (2,…

Q: Suppose you take a 10 question quiz, with 4 options choices, only one is correct. What is the…

A: Given data:   The total numbers of questions are N=10. The numbers of options for a question are…

Q: You have a homework assignment that contains 12 questions. Your instructor will grade a set of 5…

A: Given: Total number of questions, n = 12            5 questions would be graded Part 1: The total…

Q: The probability a German speaks English is 56%. If five Germans are randomly selected from across…

A: The probability a German speaks English is 56% i.e., Five Germans are randomly selected from across…

Q: The drop out probability for students in computer science programs is 0.35. If 210 students enrolled…

A: Let X be the drop out students in computer science program. X has a binomial distribution with…

Q: What is the probability that she will not have to stop at the light all next week?

A: It is given that the probability that the light will be red is 65% = 0.65