If A and B are two events with P(A) = 0.44, P(B) = 0.23 and P( A and B) = 0.15 What is P(B | A)?

Q: Suppose that events E and F are independent with P(E)=0.65 and P(F)=0.72 What is P(E andF)? Round…

A: P(E)=0.65 P(F)=0.72 The events E and F are independent .

Q: A small city is divided into four quadrants of 25 square kilometers each and has two fire trucks…

A: μA=∫A10-3dx×dy for A⊂-5, 5×-5, 5

Q: Use technology to find a confidence interval for the population standard deviation o. Assume that…

A: Solution-: Given data: xi:15.2,15.1,15.9,15.5,15.6,15.1,15.8,15.0 We want to find a 98% C.I. for the…

Q: A magazine article conducted a survey of 807 people in Phoenix metro area and found that 45% of the…

A: Sample size (n) = 807 Population proportion (p) = 45% = 0.45 And  97% confidence interval is (41%,…

Q: Exercise 21. Assume that we have observed paired data 1,...,n and y₁,..., yn, and we want to…

A: The OLSE states that the error is minimized by minimizing the sum of squares of error term. S =…

Q: Create a side-by-side boxplot for vitamin D level vs. NewAge and a side- by-side boxplot for vitamin…

A: Vitamin D is an important nutrient that is essential for healthy bones and teeth, as well as a…

Q: (a) Find the probability of randomly selecting a household that has one or two televisions. The…

A: Given the probability distribution of x  . The probability distribution of number of televisions per…

Q: 1) A manufacturing facility produces 1280 x 1024 LED (light-emitting diode) displays. The facility…

A: The claim made is "the median number of bad pixels per billion in a shipment of LED displays is…

Q: A survey across generations of workers gathered data on engagement at work. The results for a sample…

A: Null hypothesis: Alternative hypothesis:

Q: 2) The manager of a fast food restaurant would like to know if their median service time is less…

A: Costumer Service Time 1 26 2 27 3 31 4 21 5 8 6 59 7 97 8 9 9 108 10 12 11…

Q: a. Verify that this table is a valid probability distribution function. b. What is the probably that…

A: Here given probability distribution of random variable X . X = no of limbs are injured

Q: Given the probability density function f(x) = = over the interval [1, 5]. find the expected value, 4…

A: The question is about prob. distribution Introduction : The p.d.f of uniform dist. is given by f ( x…

Q: What is the margin of error for the sample mean at a 95% confidence level? Hint: Look at the notes…

A: as per policy i have calculated 3 subparts ,plz repost for remaining. A bank took a sample of 100 of…

Q: For each of the following experiments, state the sample space S. a. A pair of dice is to be rolled,…

A: a. A pair of dice are rolled.

Q: Data collected at elementary schools in Los Angeles County, CA suggest that each year roughly 25% of…

A: Let X be the number of days a student miss a class due to sickness Then we have to find P(X=x) ,for…

Q: Calculate the mean for the given date set, 23,15,34,16,35,18,28,33,25,45

A: Answer: From the given data, 23,15,34,16,35,18,28,33,25,45 Sample size (n) = 10

Q: 3. Pam and Tony want to split a bag of fun-sized candy and decide to use the divider-chooser method.…

A: The bag contains 100 Snickers, 100 Milky Ways, and 100 100 Reese's. Tony values each at $6, $4, and…

Q: A popular theory is that presidential candidates have an advantage if they are taller than their…

A: (a) That is, there is no evidence to conclude that the differences between the population mean is…

Q: Agan Interior Design provides home and office decorating assistance to its customers. In normal…

A: Hi thank you for  posting  this question, since you have posted multiple  subparts with multiple…

Q: In a study of treatments for very painful "cluster" headaches, 149 patients were treated with oxygen…

A: Here we have to solve the part (b) only  We have given thatn1 = 149 , x1 = 117n2 = 38 ,   x2 =…

Q: The stock price for International Business Machines (IBM) historically has followed an approximately…

A: We have to find probability

Q: What is the probability x is less than 6?

A: Given the values are from a gamma distribution with alpha= 2 and beta = 4

Q: A simple random sample of 10 pages from a dictionary is obtained. The numbers of words defined on…

A: The given values are: n=10,x¯=62.2,s=15.8.

Q: Pandora Radio has determined that the probability of a user liking a new song enough to give a…

A: Number of trials n=586 Success of probability p=0.6939 X~binomial (n,p)

Q: a) Discuss the four levels of measurement of variables giving appropriate examples of each category.…

A: Here we have given three questions and some data set are also given.

Q: The amount of calories consumed by customers at the Chinese buffet is normally distributed with mean…

A: Note: Hey, since there are multiple subparts posted, we will answer first three subparts. If you…

Q: You want to determine how many loaves of Bread are sold per day at Schat’s Bakery. You stand outside…

A: The sample mean is 421 loaves per day and the population mean is 395 loaves per day.

Q: Assume a member is selected at random from the population represented by the graph. Find the…

A:

Q: 3. The following is called the Bonferroni's inequality: For events A and B, we have that: P(An B) ≥…

A: a... Prove that  P(A∩B)≥P(A)+P(B)-1 b... P(A)=3/4  P(B)=1/3 1/12≤P(A∩B)≤1/3

Q: if we are at the unique point where the sum of all deviations equals zero, where are we?

A: If the sum of all deviations is zero in a data set, it means that the data points are perfectly…

Q: a) Compute the correlation coefficient relating introversion and shyness scores. b) Find the…

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

Q: Find the critical values XI and Xi for the given level of confidence and sample size. Use thr…

A: critical values for chi-square for the given sample sizes.

Q: b. Determine if interaction exists between factor A and factor B. Use α = 0.05 Choose the correct…

A: The test statistic for interaction effect between factor A and B is 1.829  Test statistic F=1.829…

Q: Two identical racing cars are being tested on a circuit. For each car, the number of mechanical…

A: Two identical racing cars are being tested on a circuit. For each car, the number of mechanical…

Q: Question 43 Commute times in the U.S. are heavily skewed to the right. We select a random sample of…

A: The sample size is 510, the sample mean is 28.0 minutes and sample standard deviation is 19.1…

Q: 6) Two sportswriters (Arnold and Barbara) have ranked 10 Olympic sports according to how interesting…

A: To calculate the Spearman correlation, we use the formula: ρ = 1 - (6 * Σd2 ) / (n * (n2 - 1)) where…

Q: Test the claim that the mean GPA of night students is significantly different than 2.2 at the 0.01…

A: Solution-: Given: x¯=2.22,μ0=2.2,n=80,s=0.06,α=0.01 We want to find, (a) State the null and…

Q: Fill in the blank. The tells us that for a population with any distribution, the distribution of the…

A: We know that, Central Limit Theorem (CLT) states that if given a sufficiently large sample size i.e.…

Q: You want to determine how many loaves of Bread are sold per day at Schat’s Bakery. You stand outside…

A: The mean value or the avg. value is the measure of central tendency.

Q: a. What are the requirements for constructing a confidence interval estimate of o or o²? b. How do…

A: A confidence interval is a range of values in which the population parameter is expected to lie. The…

Q: Find the expected value for the following probability distribution X 0 2…

A: Answer: From the given data, The probability distribution is,   X         0      2     4     6…

Q: 15. A sports eyewear company wants the average sale was $150 per transaction. After traini the…

A: Sample size n =20 Sample mean=180 Sample standard deviation =18 NOTE:- According to bartleby…

Q: Find the mean and variance for the following binomial data of x. n = 25, p = 0.60 Round mean…

A: Answer: Using the given data, The given binomial data of X is, n = 25 and p = 0.60

Q: A computer center has two color printers. Students arrive at a rate of one every 8 ± 2 minutes to…

A: a. The queuing rule being applied in this case is a priority queuing system, where students have a…

Q: L3. Let X₁,..., X10 P(E(X₁) > > 0.5). N(0, 1). Determine the probabilities P(X₁ > 0.5), P(X > 0.5)…

A: It is given that we have the random variables x1,x2,...,x10 which follow standard normal…

Q: The Normal distribution curve to the right displays the distribution of grades given to managers…

A:

Q: Calculate the probabilities P(X=x) of the probability distribution of X. First, fill in the first…

A:

Q: Samples of 20 parts are selected from two machines, and a critical dimension is measured on each…

A: Machine 1 :  {…

Q: A fitness center is interested in finding a 98% confidence interval for the mean number of days per…

A: To compute the confidence interval about true mean, we should use either z or t - distribution.…

Q: A personnel manager has found that, historically, the scores on aptitude tests given to applicants…

A: Answer  Sample size [n] = 11 Sample mean =[x] =70.76 Standard deviation =24.09 Confidence interval =…