QUESTION 13 Last year, 23.8% of businesses have increased hiring. For a random sample of 72 businesses, find the expected number of businesses that have not increased hiring last year. Round your answer to two decimal places.

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

A: Let denote the adults have IQ scores that are normally distributed.Given that,The mean:…

Q: QUESTION 16 Public Opinion reported that 59.5% of Emirati business graduates are willing to start…

A: n=12, p=probability=0.595

Q: Example • Use Table Il to find the z score corresponding to the region bounded by x. Z .07 .08 0.9…

A: The objective is to obtain the value of x in the given normal curve:Here the shaded area to the left…

Q: As shown above, a classic deck of cards is made up of 52 cards, 26 are black, 26 are red. Each color…

A: Given information:A card is drawn randomly from a classical deck of cards (made up of 52 cards).26…

Q: QUESTION 9 The police records of a metropolitan area kept over the past 300 days show the following…

A: Note:- "Since you have posted multiple questions we will provide solutions only to the first…

Q: A candy maker produces mints that have a label weight of 21 grams. Assume the distribution of the…

A: Given:distribution of weight is N(21.37,0.16)heremean=21.37 and standard deviation =0.16Let X1 and…

Q: The height of students at the SFSU dormitory is normally distributed with a population mean of 66…

A: For the given distribution of heights (in inches) of the students, it is given that:The mean,…

Q: Quality control (QC) inspection. A factory owns three production linemachines. For a QC inspection,…

A: To pass the QC inspection, the factory needs a total of 420 products to pass. Suppose that x1, x2,…

Q: Reviews of call center representatives over the last three years showed that 10% of all call center…

A: Let p be the probability of unsatisfactory.X be the number of unsatisfactory.n=10,…

Q: A forensic scientist recovers two biological traces from the crime scene. A DNA analysis of each of…

A: From the given information,DNA profile of trace 1 has a probability of 1 in 1 million .   Pt 1 = DNA…

Q: A linear model was fit to predict weekly Sales of frozen pizza (in pounds) from the average Price…

A: Solution-:Given: Average sales  poundsSD=10803 poundsCorrelation (r) =-0.534We want to find if the…

Q: Let Y₁, Y2, ..., Yn denote a random sample from the probability density function (0+1)yº, 0 −1,…

A: The first moment of Y about the origin based on the given density function  is:Let  be the…

Q: 1)If I conduct a study looking at the effect of music on mood, and I have separate groups of…

A: One-way ANOVAThis method is utilized for comparing means of more than two populations.Related sample…

Q: A random poll of 700 working men found that 12% had taken on a second job to help pay the bills. a)…

A: The sample size is 700 and 12% had taken on a second job to help pay the bills.

Q: A local refrigerator repair shop keeps records of complaints received from its customers. Complaints…

A: The question is about frequency distribution.Given :To find :% of the complaints due to the category…

Q: A college student is interested in investigating the claim that students who graduate with a…

A: n1=49,n2=37

Q: a) Explain how to obtain the CDF of Z with the above discrete time series. b) given the CDF of Z,…

A: If we have random sample of size n from a distribution then we can calculate CDF by using empirical…

Q: To generate leads for new business, Gustin Investment Services offers free financial planning…

A: Given  Gustin conducts seminars for groups of 25 individuals. Each seminar costs Gustin $3,400, and…

Q: (b) Find the sample standard deviation using the usual formula of Σ(x-x)2 n-1 S= 2 and compare it to…

A: Given sample data-15, 14, 17, 22, 17, 19, 18, 19, 16, 14, 20, 15, 18, 17, 17, 18, 19, 18, 19, 14That…

Q: You want to develop a three-sigma R-chart. You know the average range is 12 based on several samples…

A: From the given information ,This is based on the statistical process control of the process where 3…

Q: A random sample of 15 customers in two different banks were selected and their wait times (in…

A: Let X1 be the Bank A and X2 be the Bank B.Given data for Bank A is 3.53, 3.25, 4.33, 6.12, 0.38,…

Q: e. The results of which type of observational study are generally more able, retrospective or…

A: It is required to determine whether a retrospective or prospective observational study is more…

Q: rvice rates at the commercial counter are 6 and 12, respectively. T at the personal banking counter…

A:

Q: ## Call: ## 1m (formula = wage age + points + marr + rebounds + assists + ## draft + position, data…

A: Given that estimate of intercept is -1.427068, the coefficient estimate of age is 0.080062, the…

Q: The tourist bureau of the Hawaiian Islands surveyed a sample of 6 United States tourists as they…

A:

Q: Metabolic rate is the rate at which someone consumes energy. Data (calories per 24 hours) from 7…

A: n=7 Data: 1792,1666,1362,1614,1460,1867,1439

Q: Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most…

A: We have given a statement-Positions of runners in a race.We have to determine which of the four…

Q: 7. Suppose lightning strikes at an average of 1.4 strikes per minute during a particular storm. You…

A: Here the given information is:-Suppose lightning strikes at an average of 1.4 strikes per minute…

Q: A group of people were asked what instrument they play.  They were divided up into youths and adults…

A: From the provided information,PianoViolinGuitarTotalYouth273567129Adult4469100213Total71104167342

Q: radio station runs a promotion at an auto show with a money box with 15 $50 tickets, 13 $25 tickets,…

A: Total number of tickets T = 15 + 13 + 15 + 20 = 63Number of no value ticket = 20

Q: If the number of mortgage applications declined by 9% to 1,625,385. What had been the previous…

A: The given data is as follows: to 1,625,385 number of mortgage applications.

Q: A rare form of malignant tumor occurs in 11 children in a million, so its probability is 0.000011.…

A: In this case, each considered child has the only options of "having a tumor" (let's define as…

Q: a. Which model would you select for this dataset? b. Which model looks like it's underfitting the…

A: Training Error: This error is computed by evaluating the performance of a machine learning model on…

Q: Find the value for the constant c so that f (x) satisfies the condition of being a pmf for random…

A: Given that the probability mass function for random variable X is

Q: A random sample of likely voters showed that 54% planned to support Measure X. The margin of error…

A: The given data is as follows:Sample proportion, Margin of error, Confidence level,

Q: Extra #3: In the Permanent Disability Model, assume constant forces of transition 01 02 ¹ = 0.05, ²…

A: To solve this problem in the Permanent Disability Model, you'll need to use the principles of…

Q: 1. Identify the shaded region and solve for the z score with the following area. Show your complete…

A: Note: Since you have posted a question with multiple sub-parts, we will solve first three subparts…

Q: 3.27 Response rate. A survey designed to assess satisfaction with food items sold at a college's…

A: “Since you have posted a question with multiple sub-parts, we will provide the solution only to the…

Q: The Fore and Aft Marina is located on the Ohio River near Madison, Indiana. Fore and Aft currently…

A: Hi thank you for posting this question As per our policy we have solved first three parts for you.…

Q: A car company claims that its new SUV gets better gas mileage than its competitor’s SUV. A random…

A: New SUVSample size, Sample mean, Population standard deviation, Competitor' SUVSample size, Sample…

Q: al Funds claims to have a bond fund which has maintained a mean share price of $9.00. They claim…

A: According to the given information in this questionWe are going to find the conclusion of the test

Q: Which of the following statements about simple linear regression is TRUE? If the scatterplot showing…

A: We have to identify which of the following statement is True for linear regression equation

Q: Your company has instituted a new physical fitness test. Drawing upon experience from similar…

A: Drawing upon experience from similar companies, you believe that test scores will be normally…

Q: Use the following table to answer the following questions. You have two independent variables in…

A: The formula of R2 is given by           RSS = residual sum of squares  TSS = total sum of squares

Q: A man must put 8 balls in a box - some white and some black. He will then pull out three. How many…

A: Given a man puts 8 balls in a box. We have to find the probability.

Q: Assume that a procedure yields a binomial distribution with n = 7 trials and a probability of…

A: 13) Given,Number of trials, n = 7Probability of success, p = 0.50We need to find the probability…

Q: A professor believes that, for the introductory art history classes at his university, the mean test…

A: Sample sizemean of samplePopulation standard deviationn1= 250=76.8=7.2n2=200=77.8=1.9The claim is…

Q: The average life expectancy of tires produced by Whitney Tire Company has been 40,000 miles.…

A: In this case, the average life expectancy of tires produced by the company has been 40,000 miles.

Q: Match each five number summary with one of the boxplots in the figure shown below. (a) (1, 18, 20,…

A: The box plots for four data sets are given.

Q: Based on a survey, assume that 38% of consumers are comfortable having drones deliver their…

A: n=6x=2P=38%=0.38q=1-0.38=0.62