Construct a frequency distribution table for the data set using the indicated number of classes. In Table include the following: Political Blog Reading Times Number of classes: 5 Data set: Time (in minutes) spent reading a political blog in a day 7 39 13 9 12 15 8 35 a. Frequency b. Class Marks c. Relative frequencies 25 8 22 0 6 5 29 0 11 39 16 15 2 18 2 30 7

Q: The accompanying table lists the ages of acting award winners matched by the years in which the…

A: Given information: Significance level α=0.01  Sample size (n) = 12 Correlation coefficient (r) =…

Q: Given that the system starts at time 0 in state Xo = 1, what is the probability that X₁ = 3 and X₂ =…

A: To find the probability that X1=3 and X2=2, we need to compute the joint probability: P(X1=3, X2=2)…

Q: What percent of students take exactly one courses? %

A: Given that, No. of part-time students (n) = 50 To find the frequency, relative frequency, and…

Q: Fireworks are produced in batches of 5000. To test the quality you use an acceptance sampling policy…

A: This question involves calculating the producer's and consumer's risk for a quality assessment of…

Q: Lucy is starting a coffee shop that claims to be making real Italian espresso based drinks. For…

A: Sample size, n=25 Sample mean, x¯=4.6 Sample standard deviation, s=0.22

Q: Listed below are amounts of court income and salaries paid to the town justices. All amounts are in…

A: Listed below are amounts of court income and salaries paid to the town justices:- Court Income…

Q: In a survey, 21 people were asked how much they spent on their child's last birthday gift. The…

A: In a survey, 21 people were asked how much they spent on their child's last birthday gift. The…

Q: If X is a random variable with pdf f(x) = 2x − 2 where x = (1, 2), find the variance of Y = 2X - 3.

A:

Q: Let X and Y be independent random variables such that E(X)=2, E(Y)=2, var(X)=2, and var(Y)=2…

A: Let X and Y are independent varaibles E(X)=2 E(Y)=2 Var(X)=2 Var(Y)=2

Q: What conditions are required for the test results to be​ valid? Select all that apply.     A. The…

A: What conditions are required for the test results to be​ valid? Select all that apply.   A.The…

Q: QUESTION 1 Given that the system starts at time 0 in the state Xo = 3, what is the probability that…

A:

Q: The Human Toxome Project (HTP) is working to understand the scope of industrial pollution in the…

A: The box plot is used to represent the shape of the distribution. It is also known as a quartile…

Q: Executives of a supermarket chain are interested in the amount of time that customers spend in the…

A: The mean shopping time, µ, spent by customers at the supermarkets has been reported to be 40…

Q: Conduct the hypothesis test and provide the test statistic and the critical value, and state the…

A: n = 100 m = 4 Level of significance  = 0.025

Q: The accompanying histogram shows the voter turnout (as a percentage) of 211 towns in a certain…

A: A histogram is given.

Q: Find the regression equation, letting overhead width be the predictor (x) variable. Find the best…

A:

Q: Here is some data on two scale variables (round to 2 decimal places): b) If the regression equation…

A: We have data values of x and y  With fitted regression model Ŷ = 21.34 + 1.11×X

Q: What is the probability of obtaining a z greater than the following?:             +1.645 +2.322…

A: As per policy I have calculated first 3 subparts kindly REPOST for remaining parts with note I need…

Q: Westminster Financial has released a summary of investor and investment package information from the…

A: The χ2 test is a non parametric test.

Q: Use 4-point bins (96 to 99, 92 to 95, etc.) to make a frequency table for the set of exam scores…

A: Answer:- Given, The set of exam scores are,  76, 88, 90, 81, 96, 84, 78, 84, 97, 92, 78, 91, 80, 80,…

Q: 2. A new experimental drug is being tested. Below are the results of the initial testing. Scores…

A: Placebo Drug 3 9 5 6 4 9 6 8 2 7

Q: The following data represent the muzzle velocity​ (in feet per​ second) of rounds fired from a​…

A: The question is about confidence interval and hypo. testing Given :   To find : a ) reason for…

Q: As of July 1997: War War A War B War C Veterans War War A War B As of May 2001: 0 1,269 854,049…

A:

Q: As anumerical illustration, consider the data of Table 1 on the yield of corn in bushels per plot on…

A: Two independent sample t-tests will be appropriate to test the claim that additional phosphorus lead…

Q: You are conducting a study to see if the probability of catching the flu this year is significantly…

A: Probability of catching flu (p) = 0.48 Null hypothesis H0 : p = 0.48 Alternative hypothesis H1 : p…

Q: A smart phone application maker has compiled the following probability mass function table for the…

A: Here Given  Sample size =n=10 Probability of 5 star = p= 0.1

Q: Five males with an X-linked genetic disorder have one child each. The random variable x is the…

A: Conditions for the discrete probability distribution: The sum of all probability is equal to 1. Each…

Q: A major traffic problem in the Greater Cincinnati area involves traffic attempting to cross the Ohio…

A: PNTD|NTD=0.75PTD| TD=0.95

Q: Describe the study sample. Complete the following table to describe the study sample using data…

A: The study sample consisted of 4434 participants with a mean age of 49.93 years (SD = 8.68). Of the…

Q: A sample of size 18 is used. A right tail test is performed with a test statistic of t = -1.998 What…

A: Sample size n =18 Test statistic t = -1.998

Q: The sample size for a one-tailed hypothesis test for a population mean is shown below where z is the…

A: Null and alternate hypothesis  ,  H0:μ ≥ 500Ha:μ < 500σ=40, α=0.03, β=0.20

Q: Samples of size 50 are taken. Can you assume that the distribution for x is normal

A: The given sample size is 50.

Q: The following data set indicates the number of radiators sold per week by a local company that sells…

A: To calculate the standard deviation of the data set, we use the following formula: σ = sqrt [ Σ ( Xi…

Q: - Assume that adults have IQ scores that are normally distributed with a mean of μ= 105 and a…

A: According to the given information, we have Mean = 105 Standard deviation = 15

Q: Question 12.           Directors of a company claim that 90% of the workforce supports a new shift…

A: Sample size n =100 Favorable cases x =85

Q: AOL Time Warner Inc.'s CNN has been the longtime ratings leader of cable television news. Nielsen…

A: Sample size, n=40 Sample mean, x¯=612000 Sample sd, s=65000

Q: it is reported that 15% of all books sold are of the science fiction genre. if a bookstore sells 316…

A: n = 316 p = 15% = 0.15 q = 1 - p = 1 - 0.15 = 0.85 np = 316 x 0.15 = 47.4

Q: QUESTION 1 The same scenario is used for all questions. New parents in a little town buy two major…

A: The given transition matrix (which indicates the transition probabilities of switching from one…

Q: tive population parameters. Let B, be the estimator of B, obtained by assuming (see Section 2-6).…

A:

Q: Suppose that 73% of all voters prefer the Democratic candidate. Let X be the number of people who…

A: Sample size, n=20 Success probability, p=0.73

Q: b. Is the model of any use in predicting​ y? Test the null hypothesis H0: β1=β2=...=β5=0 against the…

A: H0: β1 = β2 = ... = β5 = 0   against the alternative hypothesis that at least one of the parameters…

Q: In a Harris poll of 514 human resource professionals, 45.9% said that body piercings and tattoos…

A: Sample size n =514 Sample proportion p^=0.459

Q: spe hypothesis test. Use the critical-value approach.

A: x = 630 n = 1000, Ho: p = 0.5, Ha: p > 0.5 alpha  = 0.05

Q: From the TI-84 graphing calculator screenshots below, choose the screenshot whose shaded area…

A: From the provided information, The hypotheses are as follow: H0: p = 0.25 Ha: p > 0.25 Level of…

Q: If a random sample of 100 items is taken from a population in which the proportion of items having a…

A:

Q: uppose μ0 is known and the parameter of interest is 0 = o. he sample collected will be used to test…

A:

Q: Prof. Pham has decided to undertake a careful analysis of her student evaluations from the past…

A: The random sample of size, n=500 The number of rows, r=3 The number of columns, c=3 The significance…

Q: The table contains prices from two companies, one on the east coast and one on the west coast, for…

A:

Q: Can one use the central limit theorem to find the probability of earning a certain amount of money…

A: Can one use the central limit theorem to find the probability of earning a certain amount of money…

Q: What is the regression equation? y=+x (Round to one decimal place as needed.)

A: we want use excel to solve this  some steps are there that is, Step 1: insert the data in excel that…