QUESTION 4 Of the last 500 customers entering a supermarket, 50 have purchased a wireless phone. If the relative frequency approach for assigning probabilities is used, the probability that the next customer will purchase a wireless phone is: O 0.10 O 0.90 O 0.50 O None of these choices.

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

A: Solution

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: Question 22 A die is rolled once. Find the probabilities of the given events. Leave your answer as a…

A: A die has six faces

Q: 3. In the sports injuries unit of a hospital, 40% of the patients are rugby players, 20% are…

A:

Q: In a certain college, 20% of the physics majors belong to ethnic minorities. If 10 students are…

A:

Q: In a class of students, the following data table summarizes the gender of the students and whether…

A:

Q: Suppose that 85% of all defendants are indeed guilty. In a criminal trial by jury, the probability…

A: Let A1, A2, ... , An be n mutually exclusive and exhaustive events with P(Ai) > 0 for all i = 1,…

Q: In a digital transmission system, bits of 0's and 1's are transmitted sequentially through a cable.…

A: Given that  n=10 , p=20%=0.20 , q=1-p=1-0.20=0.80 X~Binomial(n=10,p=0.20) p=Probability of the bits…

Q: In forensic science, the probability that any two people match with respect to a given…

A: The given probability distribution of the blood phenotypes is:ABABO0.420.10.040.44This is given that…

Q: a. We select a mother at random from this sample of 1,178 mothers. What is the probability that the…

A: It is given that the data in the two-way table form.Total sample mothers = 1178Epidural mothers =…

Q: A group of people were asked if they had run a red light in the last year. 203 responded "yes", and…

A: The number of people, who responded to have run a red light, i.e., the number of responses in terms…

Q: In a playoff series, the probability that team A wins over team B is 3/5, and the probability that…

A: Given information- We have given that in a playoff series- The probability that team A wins over…

Q: A group of people were asked if they had run a red light in the last year. 423 responded "yes", and…

A: Step 1: Identify the given valuesnumber that ran a right light = number that said "yes" = 423number…

Q: Nathan and his brother went snorkeling this summer and took their waterproof camera. They printed…

A:

Q: An Insurance company study shows that 45% of U.S. adults have high blood pressure. Suppose 6 U.S.…

A: It is given that n =6 and p = 0.45.

Q: If P(A) = 0.72, P(B) = 0.62, and P(A and B) = 0.54, find the probability that neither A nor B will…

A:

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: Suppose you manage the demand for a towing company in Little Rock. On a usual day your company gets…

A:

Q: Suppose that 24% of people own dogs. If you pick two people at random, what is the probability that…

A: Given 24% of people own dogs

Q: If the probability of a person winning on a scratch-off lottery ticket is 0.016, the odds of winning…

A: Given: P(winning a scratch -off lottery ticket) = 0.016

Q: A certain affects virus 0.2% of the population. A test used to detect the virus in a person is…

A: From the given information the test used to detect the virus in a person is positive 90% of the time…

Q: Brian is undecided as to whether to take a French course or a Russian course. He estimates that his…

A: Answer  Given  Probability of receiving an A grade would be in a French course =1/3 and in Russian…

Q: Suppose that at UCLA, 35% of students are international students. What is the probability that 40…

A: Solution-: Given: n=100,p=0.35 (35%) We find, P[X=40]=?

Q: Question 2 The table shows the numbers of students in grades 6, 7, and 8 identifying their favorite…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Consider three classes (I, II and III) consisting of 30, 25, and 45 students. Suppose a student is…

A: Given information: There are 3 classes: I, II and III consists of 30, 25 and 45 students…

Q: Suppose 33.3% of high school students eat pizza and 42% drink soda. If 17.3% of high school students…

A: P(high school students of eating pizza), P(A) = 0.333 P(high school students of drink soda), P(B) =…

Q: I'm confused as to what distrubution I should use to solve this probability. When tall and colorful…

A: The multinomial distribution can be used if the experiment having more than two outcomes and the…

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.