QUESTION 7 If P(A) = 0.2, P(BIA) = 0.45, P(AUB) = 0.60, then compute P(B) with 3 decimals.

Q: A population of values has a normal distribution with μ = 133 and o= 48.9. You intend to draw a…

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Q: It is believed that 10% of the children enrolled in the elementary schools are left-handed. Suppose…

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Q: An avid traveler is investigating whether travel websites differ in their pricing. She chooses a…

A: The mean difference is 5.49 and the standard deviation is 18.65.

Q: Answer the following 1. Computer for each of the following • + c Σχι 225. Στα 225. Σεΐ 953. Σε ο…

A: a.The provided information is Σx=225Σy=22.5Σx2=9653Σy2=143Σxy=651n=6The correlation coefficient is…

Q: in: The General Social Survey asked 810 people how many days they would wait to seek medical…

A: The answer is attached below,

Q: Question 2  A study was conducted on 108 individuals to determine if their attraction to a…

A: Given: The study conducted on Single, dating and married individuals. Individuals were classified…

Q: Which statement(s) is/are FALSE? A. The mean of the sampling distribution of the sample mean is…

A: Given that  Which statement(s) is/are FALSE?   A. The mean of the sampling distribution of the…

Q: A letter is taken at random out of "ASSISTANT" and out of "STATISTICS". What is the chance that they…

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Q: Suppose you play a game that you can only either win or lose. You win a game with probability 0.40.…

A: Given data: Probability = 0.40 n = 10 Each game is independent

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A: Given:i) This random variable follows binomial distribution with parametersample size (n)=200…

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Q: The random variables X and Y are independent to each other. The probability density functions of X,…

A: Given fX(x)=2x·I0,1(x)fY(y)=1·I0,1(y) I(0,1)(x)=1 if 0<x<1I(0,1)(x)=0 if otherwise

Q: 1. Write the Null Hypothesis (Ho) or the Alternative Hypothesis (Ha) of the following: 6. Ho: The…

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Q: A large university is curious if they should build another cafeteria. They plan to survey a sample…

A: The question is about errors in hypo. testing

Q: id-aisle promotional display. To t select 20 stores from the AE storewide sales volumes. You th 1…

A: X1 X2 num Normal  End Aisle 1 22 52 2 34 71 3 52 76 4 62 54 5 30 67 6 40 83 7 64…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 17.3…

A: GivenMean(μ)=17.3standard deviation(σ)=1.5sample size(n)=10

Q: 3. Sports officer collected some information about the Body Mass Index (BMI) and the finishing…

A: Given:- In part 3 BMI and position in marathon is given. first we find the rank of BMI then find the…

Q: 9. Ha: The proportion of obese children ages 3-10 is higher than 40%. 10. Ha: The mean amount of…

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Q: A factory produces a total of 300 computer: per day which are on the average computers are…

A: Solution: Let X be the number of computers are defective.  The probability of defective computer is…

Q: A factory produces a total of 300 computers per day which are on the average 3 computers are…

A: Solution: Let X represent the number of defective computers  probability of defective computes is…

Q: 1. Compute n, μ, EX, and EX² 5, 7, 3, 4, 1 2. Compute n, EX, (EX)², and EX² X 7 6 5 4 3 2 1 f 3 2 1…

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Q: Are couples that live together before they get married more likely to end up divorced within five…

A: Given X1=208 X2=120 n1=684 n2=457

Q: hat percentage of hospitals provide at least some charity care? Based on a random sample of hospital…

A: Given data, 56.7,56.5,52.9,66.5,59,64.7,70.1,64.7,53.5,78.2   a) By using the calculator The sample…

Q: Task 10: In the course of one year, 15 patients were admitted to a hospital ward because of a…

A: “Since you have posted a question with multiple sub-parts, we will solve first two sub-parts for…

Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…

A: The following information has been given: The sample mean is x¯=43. The sample size is n=10. The…

Q: The table below represents a frequency distribution of marks of 100 students in mathematics in a…

A: N=100 n=4 We have to calculate probability,  All selected 4 students from highest class. Students in…

Q: c. Develop the estimated regression equation that can be used to predict the price given the weight.…

A: Regression equation are used to predict the variable over the another variable. It explains the…

Q: Imagine that there are only two points in a scatterplot. 7. How do you position these points so that…

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

Q: Twenty male students selected at random have an average height of 180 centimeters with a standard…

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Q: For the dinner special at a restaurant, the customer must choose an appetizer, an entree, a side…

A: Solution Given That, For the dinner special at a restaurant, the customer must choose an appetizer,…

Q: 4. The following are the heights of a father and his eldest son, in inches: Height of the father…

A: Given that: Height of Father 71 69 67 68 68 66 70 72 65 60 Height of Son 71 69 69 65 66 63 68…

Q: A particular fruit's weights are normally distributed, with a mean of 580 grams and a standard…

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Q: The recommended minimum credit card payment for a sample of 100 credit card holders is summarized…

A: Dear student according to the guidelines we solve only first three subparts of the question . Post…

Q: Assume that a sample is used to estimate a population mean u. Find the 80% confidence interval for a…

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Q: A social worker reports that 30% of workers in a factory are below 15 years of age. Of the 120…

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Q: A study was conducted to investigate the interactions between California sheephead, macroalgae, and…

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Q: Store Window Creativity and Shopper Behavior. Do more creative store-window displays affect shopper…

A: Answers -

Q: Giving a test to a group of students, the grades and gender are summarized below A Male 15 Female 16…

A: Solution: Total  students = 85 One student is randomly selected.

Q: An engineering enterprise can make profits of (500,000$, 700,000$, 680,000$, 310,000$, 440,000$)…

A: Solution: Let X represent the amount of enterprise.  The amount of X and their corresponding…

Q: P(A and B) =

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Q: ) What conditions are necessary for your calculations? (Select all that apply.) uniform distribution…

A: Given Suppose x has a normal distribution with  s = 1.3. sample of size (n)51 sample mean of x = 20.

Q: The table below shows a frequency distribution of marks for 400 students in computer programming in…

A: The question is based on frequency distribution Given :

Q: A particular fruit's weights are normally distributed, with a mean of 689 grams and a standard…

A: The provided information is µ=689 gramsσ=36…

Q: Paragraph 5 Styles 17 S Editing A manufacturer knows that their items have a normally distributed…

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Q: Definition of what probability concept is?

A: We  need to define the concept of probability: -

Q: (c) What is the probability a simple random sample of 60 ten-gram portions of the food item results…

A: Since the student asks for assistance in part (c), only part (c) is solved.

Q: Interpret the mean, median, and mode results using this table.

A: We know that,    Formulas ,    mean     median      Mode The mode is the value in…

Q: Which of the following is true about a sampling distribution. Click all that apply. a. The larger…

A: The objective is to identify the statements that are true about the sampling distribution:

Q: QUESTION 34 4(c) From several years' records, a fish market manager has determined that the weight…

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Q: 2. The table gives information about the selling price and the mileages of 8 used cars. Selling…

A: Spearman rank correlation is used to measure the categorical variable. It is used to find the degree…