A survey showed that 50% of customers Toyota cars, 40% customers Nissan cars, and 70% at least one brand of cars Toyota or Nissan. Then the probability that a randomly selected customer will like both Toyota and Nissan carls ?A0.90 B. 0.70 C0.20 D0.30

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: Solve. In a survey of American women who were asked to name their favorite color, 12% said blue, 15%…

A: According to the given information, we haveA survey of American women who were asked to name their…

Q: he table below summarizes pregnancy test results for 100 patients.   If one subject is randomly…

A: The contingency table is given as:   Positive Test Result Negative Test Result Row Total…

Q: A mail-order company has a 9% success rate. If it mails advertisements to 500 people, find the…

A:

Q: Leave all probabilities as percentages. Define x on all problems with data. How many different ways…

A: There are totally 15 runners. The first place to finish a race in 15 chances, second place to finish…

Q: A 2012 study asked respondents about their confidence in banks and financial institutions Confidence…

A: Solution

Q: a large university 13.5% of the students.11 economics, 24.7% of the students take atistics and 11.7%…

A: Peconomics=0.135Pstatistics=0.247Peconomics and statistics=0.117

Q: A test contains two multiple choice questions, each question having four possible answers. If a…

A: The sample size n is 2.

Q: A sociology teacher asked her students to complete a survey at the beginning of the year. One survey…

A:

Q: According to TMUSS Quarterly (Totally Made-Up Sports Statistics) April 2017, the probability that…

A: Event A : have 3 or more sacks Event B : score touchdown on their first drive P(A) = 0.12P(A∩B) =…

Q: A 2012 study asked respondents about their confidence in banks and financial institutions as well as…

A: Obtain the probability a respondent has a great deal of confidence in banks and financial…

Q: 29% of all college students major in STEM (Science, Technology, Engineering, and Math). If 44…

A:

Q: Male Female Walk 16 24 Bike 19 11 Car 21 22 The table shown gives the results of a poll taken on…

A: Given data is   Male Female Total Walk 16 24 40 Bike 19 11 30 car 21 22 43 Total 56 57…

Q: In a group of students, 45% play golf, 55% play tennis and 70% play at least one of these sports.…

A: Define some events A: A student plays golf B: A student plays tennis

Q: You have a campus errand that will take only 15 minutes. The only parking space anywhere nearby is a…

A:

Q: In one town, 52% of all voters are Republicans. If two voters are randomly selected for a survey,…

A:

Q: 60% of all students at a college still need to take another math class. If 45 students are randomly…

A: From the provided information, 60% of all students at a college still need to take another math…

Q: There is a 72% chance you will be able to get tickets to a concert to see your favorite band in the…

A: Given problem Given that   There is a 72% chance you will be able to get tickets to a concert to…

Q: Of the cartons produced by a​ company, 9​%have a​ puncture, 3​% have a smashed​ corner, and 0.5​%…

A: Given : Let A : Cartons has a puncture P(A) = 9% = 0.09 Let B : Cartons has a smashed corner P(B) =…

Q: Researchers suggest that 9.5% of females in Scotland have red hair. Approximately 10% of Scottish…

A: Conditional probability formula : P(A | B) = P(A n B) /P(B)

Q: Your IPOD contains 20% rap, 10% R&B, 40% rock, and 30% classical music. If you randomly select a…

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: When you go grocery shopping, you take note of the color of the car that is parked next to you on…

A:

Q: a. find the probability that at least 6 of the printers operate correctly upon installation. b. find…

A: Let X be the random variable that the no. of printers used on desktop computers operate correctly at…

Q: A 2012 study asked respondents about their confidence in banks and financial institutions as well as…

A:

Q: A financial services committee had 60 ​members, of which 10 were women. If 9 members are selected…

A:

Q: In a test for ESP, the experimenter looks at cards that are hidden from the subject. Each card…

A: In this case, each of the subjects has the only option of guessing a card "correctly" (defined as…

Q: bag contains 5 green and 6 yellow marbles. Two marbles are drawn at random without replacement. If…

A:

Q: Given 40% of American college students fail to earn a degree and 32% of college students that do…

A: Percentage of people who earn the degree = 60% Percentage of people who earn the degree and don't…

Q: Use the following table to find the probability.   Male Female Write with left hand 55 38 Do not…

A: 1. Consider the following table for necessary calculations.   Male Female Total Write…

Q: The table gives the data of students categorized by gender and major. Math Physics Biology Majors…

A:

Q: Please help with the probability of a child having a blue eye color. I'm not sure if I have it right

A: Given Brown/Blue genotype The possible outcomes are 4 =…

Q: Geographers want to determine the probability that exactly 7 out of 10 tourists in New York they…

A: There are two possibilities of event 1. Either they will visit the statue. 2. Or they will not visit…

Q: On a statistics exam, 8 students received an A, 4 students received a B, and 6 students received a…

A:

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.