A political scientist surveyed 20 active members of a small political action group about how many hours they spent on the group's activities each week. The results were as follows: 24, 41, 1, 41, 14, 2, 40, 58, 2, 1, 41, 2, 41, 30, 0, 41, 3, 3, 41, 49. Make a grouped frequency and percentage table by filling in the number on the table using intervals from 0-9, 10-19, etc.

Q: 7. Let S be the finite state space of a Markov chain. Prove that if rES is recurrent, then for all y...

A:

Q: The time taken to complete a particular type of job is distributed approximately normal with a mean ...

A: Given that  X~N( μ = 1.8 , ? = 0.1 ) μ = 1.8 , ? = 0.1 Z-score =(x-μ)/?

Q: followed from admission to the hospital until the end of the study.  The study population included 4...

A: Solution:-   ->In a recent study, investigators were interested in examining the association betw...

Q: 2. Monica is currently teaching basic mathematics at a university. She wants to know if there is a d...

A: Given information: Students Multiple choice Problem solving Fill in the blanks 1 65 45 55 ...

Q: MY NOTES PRACTICE ANOTHER Coal is carried from a mine in West Virginia to a power plant in New York ...

A:

Q: a recent study, investigators were interested in examining the association between blood glucose con...

A: Given: n(total) = 418 n(Hyperglycemia) = 280 n(dead | hyperglycemia) = 80 n(Hypoglycemia) = 138 n(de...

Q: A grocery store's sales experience indicates that its daily apple sales follow a normal distri- buti...

A: (b) Obtain the cut off point for the top 10% of all daily apple sales. The cut off point for the top...

Q: Many investors and financial analysts believe the Dow Jones Industrial Average (DJIA) gives a good b...

A:

Q: Consider the following sample data set. Construct a box plot for the data and use it to identify any...

A: From the given data Construct a box plot and identify the outliers

Q: For certain data the following regression equations were obtained: 4х — 5у + 33 % 0 20x + 9y - 107 =...

A: The two regression equations are given as: 4x -5y + 33 = 0 20x -9y -107 = 0

Q: The arithmetic mean and the standard deviation of a set of 9 items are 43 and 5 respectively . If an...

A:

Q: of the popelation 2,4, compute Hun b) Mu Ho,--Ue d) Cu, e) 'v. amd け) ry-V。

A: Two populations are  U1 : 3, 7, 8 U2 : 2, 4 Note : According to our guidelines we are solving only f...

Q: The biconditional of two true propositional variables or two false propositional Varlables is A True...

A:

Q: In a certain city, a researcher wishes to determine whether the average age of its citizen is really...

A: In hypothesis testing, let us suppose we do not know the value of a population parameter. Then that ...

Q: An assembly consists of three mechanical components. Assume that the probabilities that the first, s...

A:

Q: . If the coin is tossed 80 times, determine P(0.45 < p < 0.55). In solving this part, answer the fol...

A:

Q: Find probable error, when the coefficient of correlation is 0.8 and number of items is 64 and interp...

A:

Q: Problem 3 A fair die is rolled 4 times. Find: a) the expected value of the number of times that 6 ap...

A:

Q: 3. The adjoining table of ten 34 96 61 85 49 undom numbers of two digits each is provided to the fie...

A:

Q: Calculate the coefficient of skewness from the following data by using quartiles. -Marks No. of stud...

A:

Q: Given a normal distribution with u = 51 and o= 8, and given you select a sample of n= 100, complete ...

A:

Q: Attitude towards old age and depression was studied in a group f ten old people and following is the...

A: Given : Subjects Attitude Towards Old Age Depression 1 15 27 2 12 26 3 16 34 4 14 29 5 ...

Q: A charitable organisation decided to give old age pensions to people over sixty years of äge. The sc...

A:

Q: Dominique, Clarice, and Marco work for a publishing company. The company wants to send two employees...

A:

Q: fx(x) = 4 x = 0,1, 2, 3, ... 4

A:

Q: A. LEARNING ACTIVITY Review the concepts on areas under the curve and solve the following worded pro...

A: Given : Let Z be a standard normal variable Z~N(0,1)  

Q: The probability that a management trainee will remain with a company is 0.60. The probability that a...

A:

Q: Two cards are drawn (a) successively with replacement -(b) simultaneously (successively without repl...

A: There are total of 52 cards in a deck of cards. Out of 52 cards, there are 4 aces and the rest 48 ar...

Q: Suppose a bank branch, located in a commercial district, is concerned with its service durir are lis...

A:

Q: Exercises 1 1: Interrater Agreement of Ratings of Spinal Pain (Hypothetical Data) Clinician 1 Dysfun...

A:

Q: 4. Cebu Technological Corporation manufactures computer monitors. The following data give the number...

A: The data of number of monitors produced at the company for 30 days are given as: 24, 32, 27, 23, 33,...

Q: Éxample 17-11. (a) Show that if a most efficient estimator A and a less efficient estimator B with e...

A:

Q: Cereal for Breakfast. A cereal company claims 75% of Americans start the day with cereal for breakfa...

A:

Q: The following table gives the index number for different groups together with their respective weigh...

A: Index numbers are statistical devices to measure the relative changes in the level of phenomenon wit...

Q: A random variable X has the following probability distribution : 4 5 0-1 0:2 0.4 02

A:

Q: Discuss the Layout of R.B.D.

A:

Q: Perform a hypothesis test of the professor's claim

A: A professor claims that more than 83% of all scientists believe in evolution. In a 2014 Pew Research...

Q: 3.73 A certified public accountant (CPA) has found that nine of ten company audits contain sub- stan...

A: Geometric distribution is given by    

Q: a. Compute the first quartile (Q,), the third quartile (Q), and the interquartile range. Percentage ...

A: Solution-: We find, (a) Q1 , Q2 and IQR (b) List the five number summary (c) Construct the boxplot a...

Q: Let W be the random variable that gives the number of heads (C) minus the number of tails (+) in thr...

A: Given: Three tosses of a coin W is the random variable which is the number of heads minus the number...

Q: kes of cereal shows a sample standard deviation of .16 ounces. x = .05, the population variance appe...

A:

Q: X Question 16 player of a video game is confronted with a series of 3 opponents and a(n) 70% probabi...

A:

Q: A person with tuberculosis is given a chest x-ray. Four tuberculosis x-ray specialists examine each ...

A:

Q: reject H0 only in the upper​ tail, what is the critical value of the​ t-test statistic with 31 degre...

A:

Q: make a short description about the shape of distribution

A: The bar chart is used to visualize the categorical variable. Each represent the frequency correspond...

Q: The weight of an energy bar is approximately normally distributed with a mean of 42 10 grams with a ...

A: The weight of an energy bar is approximately Normally distributed.    Mean = μ = 42.10 grams Standar...

Q: The mean age at first marriage in the U.S. is 28. A random sample of 626 married residents of New Yo...

A:

Q: insurance in the 50 states and Washington DC for the year 2002.the percent of people not covered by ...

A:

Q: Medicine. The reaction times (in minutes) of a drug given to a random sample of 12 patients are: 4.3...

A: We have given that,  The data set is,  4.3, 4.7, 5.2, 6.1, 5.3, 6.6, 6.3, 5.4, 5.2, 5.6, 6.7, 6.7 Th...

Q: For certain data the following regression equations were obtained: 4x – 5y + 33 = 0 20x + 9y - 107 =...

A: Given: Regression equations: 4x-5y+33=0                     ..........(1)20x+9y-107=0             .....