• What is the importance of histogram of the probability function? •  How does it helps you in your daily life?

Q: What is the probability of getting exactly two Heads in a single throw of three coins?

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Q: According to the Internal Revenue Service, the proportion of federal tax returns for which no tax wa...

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Q: a. What is the test statistic for this sample? Round to 4 decimal places. test statistic b. What is ...

A: Given The data is as follows: α=0.002 H0: μd=0H1: μd<0d¯=-6.1sd=38.6n=48

Q: Use the following sample data set for # 48 - #50: 12, 10, 8, 5, 10, 5 49. Compute Variance. (SHOW YO...

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Q: Parliament contains a proportion p of Labour Party members, incapable of changing their opinions abo...

A: Given: P(A1) = p P(A2) = 1-p P(B|A1) = 1 P(B|A2) = 1-r

Q: Can vaccination be regarded as preventive measure for smallpox, from the data given below *Of 1,482 ...

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Q: In a drag race, the age of contestants are normallydistributed with a mean of 24 yrs and a standard ...

A: X: age of contestantsX~N(μ,σ)where Mean(μ)=24 yrsand standard deviation(σ)=1.5 yrsfind P(22.5<X&l...

Q: From the data given below, find: (a) the two regression equations. 6) the coefficient of correlation...

A: (a) To determine the regression equation: The general form of the regression equation is y=a+bx, whe...

Q: The average number of passes in a football game is right skewed with mean 80 and variance 2209. If w...

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Q: 1. How much of the data lies between one standard deviation from the mean, two standard deviations f...

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Q: 44. You have a coin and one die. You flip a coin and roll a die. What is the probability that you ge...

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Q: A. 0.0013 B. 0.3446 C. 0.4968 D. 0.8238 E. None of the above

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Q: 6. Calculate Coefficient of Correlation between the values of X and Y given below: Values of X: Valu...

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Q: Theorem 3-6. If A and B are any two events (subsets of sample space S) and are not disjoint, then P(...

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Q: Find the requested probability. Round your answer to the nearest whole percent. 4) The length of tim...

A: Given : 4) Let X : Length of time it takes clg students to find a parking spot in the library parkin...

Q: 1. Compute for the weighted mean, provide the class intervals for the Likert scale, interpret your r...

A: A Likert scale is an ordinal scale of measurement used to collect the opinion and responses with the...

Q: What is the area if the z-score given is -1.63? a. 0.9489 b. 0.9474 c. 0.9495 d. 0.9525

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Q: 18. A sample has a mean of M = 50. If one new person is added to this sample, what effect will this ...

A: The sample mean is M = Σx/n, where x is the value of observation and n is the number of observations...

Q: 7. a) Compute Cz using the factorial formula. b) Compute 5C2 "by hand," using the 5 letters ABCDE an...

A: c(5,2 ) = ? write 2 letter combinations

Q: On the average, 10 people per hour use an express teller machine situated inside a commercial comple...

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Q: Data were collected to explain the satisfaction rating a caller gives a customer representative base...

A: Solution: Given information: n= 10 observation  k=1 independent variable  β1^= -1.30   Slope of the ...

Q: website monitors customer complaints and organizes these complaints into six distinct categories. Ov...

A: Given The complaints are organized into 6 distinct categories. In 1 year, there are total 534 compla...

Q: Now consider the textbook expense of all IUPUI students.  The mean and variance of textbook expense ...

A: GivenMean(x)=518.66Variance(σ2)=15965.14sample size(n)=92standard deviation(σ)=15965.14=126.353235

Q: An independent research was made asking 500 people about their bank deposits. Using the data in the ...

A: Concentration of all the values around the central value of the given data is known as measures of c...

Q: 5. In a sample of 500 children, 200 came from higher income group, and the rest from iower income gr...

A: Let 'A' represents the children who came from higher income.  And 'a' represents the children who ca...

Q: The following table gives the age of cars of a certain make and annual maintenance Cost. Obtain the ...

A: Solution:

Q: A researcher is interested in estimating the supply function of an online car rental service provide...

A: Given information: The response variable is price. The predictor variables are car and income.

Q: 1, llustration 20. From the information given below calculate Karl Pearson's coefficient of skewness...

A: For place A, mean = 150, median = 142, SD = 30, Q3 = 195, Q1 = 62 For place B, mean = 140, median = ...

Q: 1. 3Y4 + 3Y5 + 3Y6+ ...+ 3Y15 2. (Xg — 4) + (X, — 4) + (Х10 — 4) + (X11 — 4) 3. (X3Y3) + (X4Y4) + …·...

A: To write in summation notation  1): 3 y4+3y5+.......3y15  2): (X8-4)+(X9-4).........(X11-4)  3): (X3...

Q: Can vaccination be regarded as preventive measure for smallpox, from the data given below! "Of 1,482...

A:

Q: Legalization of marijuana, bootstrap test. The 2018 General Social Survey asked a random sample of 1...

A: Here Given  Sample Size=n= 1563 Sample proportion=P¯ = 0.6

Q: . Find the first four moments about the mean in the following distribution: 69-71 Height (in inches)...

A: Given that    We have to find first four moments  about mean :   

Q: What would be the fair price to pay for a chance to draw a ball from the box?

A: here given, The organizing committee of a high school reunion placed 150 balls inside a box. 10 of t...

Q: The following are the weight (kg) of 20 senior high school students: 1. What is the mean, variance,...

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for yo...

Q: Make a table or formula that lists the probabilities tor each outcome of the random variable, X. Fin...

A: given;experiment is flipping 3 coins at the same time.then sample space(S)={HHH,HHT,HTH,THH,TTH,THT,...

Q: A manufacturer has designed a process to produce pipes that are 10 feet long. The distribution of th...

A: Please note that as per our guidelines we can answer the first three sub-parts only. Please repost t...

Q: Answer each of the following questions with complete sentences.  Include a brief explanation in comp...

A: Comment: As per the our comapny guidelines we are supposed to answer only three subparts,. Kindly re...

Q: If any whole number is divisible by 3, then the sum of its digits is divisible by 3.

A: Given:  If any whole nuumber divisible by 3 then sum of digit is also divisible by 3  ?

Q: IfX is a RV with a continuous dištribution function F(x), prove that Y = F(X) has a uniform distribu...

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Q: _4. In a normal distribution, the mean divides the area in half--- 0.5000 on each side. 5. The width...

A: 4 TRUE The normal distribution is symmetric distribution. The area under the normal curve is 1.0, Th...

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of...

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Q: Compute the least-squares regression line for predicting U.S. emissions from non-U.S. emissions. Rou...

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Q: 5. In a sample of 500 children, 200 came from higher income group, and the rest from iower income gr...

A: The defined coefficient of association between the two variables, i.e., income group (which is defin...

Q: The average number of passes in a football game is right skewed with mean 80 and variance 2209. If w...

A:

Q: What is the probability they will declare the pump faulty?

A: Given: Mean, μ=12sd, σ=0.4sample size, n=81

Q: Exercise 1: Use the z-table to find the area that corresponds to each of the following z-score: 1. z...

A:   Given problem Given that   Use the z-table to find the area that corresponds to each of the follow...

Q: A class contains 100 students, and each student belongs to one lab section. There are 3 lab sections...

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Q: 46. A population of N = 20 scores has EX = 50 and EX 2=4200. For this population, what is the value ...

A: using the given data Find SS = ?

Q: Let A denote the event of placing a ​$1 straight bet on a certain lottery and winning. Suppose​ that...

A: The event A defines the event of placing a $1 straight bet on a certain lottery and winning.

Q: Problem 1: A sample of 81 students enrolled in a “Reading Questions Carefully Seminar (RQCS)” was te...

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