The manager of a fast-food restaurant records each day for a year the amount of money received from sales of food that day. Using software, he finds a bell-shaped histogram with a mean of $1337 and a standard deviation of $204. Today the sales equaled $1894. Is this an unusually good day? Answer by providing statistical justification. Determine whether the total sales amount is unusual. Choose the correct answer below. OA. No, this value is not unusual. A z-score between -3 and 3 is not unusual. OB. No, this value is not unusual. A z-score outside of the range from 3 to 3 is not unusual. OC. Yes, this value is unusual. A z-score outside of the range from 3 to 3 is unusual. O D. Yes, this value is unusual. A z-score between 3 and 3 is unusual.

Q: Part E

A: e)Given data The regression out put from excel is shown belowEnter the data in Excel, click on…

Q: Two analysts determined the acetic acid content in commercial vinegar. Analyst 1 reported 2.34 g +…

A: Introduction: It is required to identify the appropriate statistical test for the given scenario.

Q: We want to predict the selling price of a house in Newburg Park, Florida, based on the distance the…

A: Given data is x y xy 7.7 290.8 2239.16 18.5 215.0 3977.5 6.3 304.4 1917.72 11.9 269.9…

Q: Using standard normal table, find the following probability. P(Z<2.01) = ? (Round to 5 decimals)

A: Answer: From the given data, Using standard normal table, We have to calculate P(Z&lt;2.01)

Q: Claim: The mean pulse rate​ (in beats per​ minute) of adult males is equal to 69 bpm. For a random…

A:

Q: A private college advertised that last year their freshman students, on average, had a score of 1140…

A: Introduction: It is required to choose the correct option(s).

Q: Q2: Find F,(y) and fy(y) if y = -4x+3 and f(x) = 2e-²xU(x).

A:

Q: Let Event A be that the component fails a particular test and Event B be that the component strains…

A: From the provided information, A = The event that the component fails a particular test. B = The…

Q: Find the population standard deviation of these numbers: 22, 19, 25, 16, 20 (round to two decimal…

A: Given numbers(x); x x2 22 484 19 361 25 625 16 256 20 400 ∑x=102 ∑x2=2126

Q: Which of the following is true regarding box plots? O The inner fences of a boxplot are equal to 2x…

A: The question is about boxplot Introduction : A boxplot is a graphical method which is divided into 5…

Q: Example 4. No. of students in Postgraduate classes in a university is given below : Humanities 560…

A:

Q: Vendor 1 2 3 Defective 32 Acceptable 121 80 155 a. Select the competing hypotheses to determine…

A: Given: Chis square table of 3*2 To write the null and alternate hypothesis To find test statistic To…

Q: Problem 4 A company has found that 80% of its new management hires are meeting expectations, while…

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

Q: One of the two tested components is defective. [Hint: Draw a tree diagram with three…

A:

Q: The following data represents the number of engineers, technicians and administrators for 60…

A: Hint: Struges and Yule formula for the number of classes ( k ) and class width is; Number of Classes…

Q: Use z scores to compare the given values. The tallest living man at one time had a height of 247 cm.…

A: Given information- Population mean, µ = 177.86 cm Population standard deviation, σ = 6.69 cm Height…

Q: Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 2500 grams and…

A: Given that: Population Baby's average weight when they are delivered after 32 to 35 weeks of…

Q: If you randomly picked up a stone in the Niger River what is more likely a stone that measures below…

A: Given information: Size (cm) Frequency [0,2) 17 [2,4) 13 [4,6) 10 [6,8) 7 [8,10) 4…

Q: An Engineer has a duty of conducting compressive strength test for 50 concrete cubes. 40 cubes…

A: Given that  Total cubes = 50 Passed cubes = 40  Failed cubes = 10

Q: et Event A be that the component fails a particular test and Event B be that the component strains…

A:

Q: Determine the difference between the fourth moment about the origin (10) and the fourth moment about…

A: Given information: Moment of origin=10n=4

Q: A random sample of size n-7 is drawn from normal population and is listed below, 5460, 5900, 6090,…

A: We have given the following data 5460,5900,6090,6310,7160,8440,9930

Q: Noodles and Company tested consumer reaction to two spaghetti sauces. Each of 70 judges rated both…

A: Given data setfor Sauce…

Q: Suppose X ~ N(2, 7). What is the z-score of x = 2?

A: Formula for z-score is as follows ,    z = x-μσ Where , μ is population mean  σ is population…

Q: For a binomial distribution with p = .10 and n = 100, what is the z-score corresponding to X = 16?

A:

Q: a. Belgium's observation was 10.0. Find its z-score and interpret. b. Romania's observation was 3.9.…

A: Here, The carbon dioxide emissions of EU nations had a mean of 7.9 and standard deviation of 3.6.

Q: (a) Calculate P(1 1.5). (Round your answer to four decimal places.) 0.4901 x (c) What is the 90th…

A:

Q: Xi fi 3 لا 8 5 11 9 the variance for the following data 17 5 20 14 24 3 32 1 Find

A: Given information: x F 4 3 8 5 11 9 17 5 20 4 24 3 32 1

Q: What is the relationship between power and N, size of real effect, and alpha level? How does power…

A: --   Power is the probability that you will reject the null hypothesis when you should (and thus…

Q: Might we be able to predict life expectancies from birthrates? Below are bivariate data giving…

A: From the given scatter plot and equation Find the required

Q: x+y Suppose the joint probability distribution of X and Y is given by f(x,y) = for x = 5, 6, 7, 8; y…

A: Ans#- The joint probability distribution of X and Y is           f(x, y) = x +y150,   for x = 5, 6,…

Q: rrors in a textbook follo wer errors in 100 pages

A: Due to the discrete nature of the Poisson distribution, only certain values from a given set of…

Q: a study of new designs for the Pennsylvania state license plate, a television crew sampled PA…

A: Given information: Statement: Study of new designs for the Pennsylvania state license plate.  Way of…

Q: 6.47 6.13 6.19 4.89 5.63 4.52 5.89 4.03 3.76 3.77 3.34 3.47 2.92 3.20

A: We know  that correlation coefficient is statistical indicator of the degree of the association…

Q: For a binomial distribution, with p = .25 and n = 48, what is the z-score corresponding to X = 15?

A: We have given that p = 0.25 n = 48 We have to find the z-score

Q: Customers at a gas station pay with a credit card (A), debit card (B), or cash (C). Assume that…

A: We have given that Customers at a gas station pay with a creditcard (A), debit card (B), or cash…

Q: Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest…

A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted....…

Q: Let X₁, X₂, X3, X30 be a random sample of size 30 from the population X with the moment generating…

A:

Q: Directions: Pick a scenario describe a binomial experiment. Recall the random variable X is for the…

A: Given: Scenario 1: A surgeon routinly perform 4 surgeries the cahance(probability) perform surgery A…

Q: The asset turnover ratio (ATR) is the ratio of a company's revenues to the value of its assets…

A: The formula of CV is,

Q: Suppose that at the beginning of Year 1 you invested 10,000 USD in the Stivers mutual fund and 5,000…

A: From the given information, at the beginning of Year 1 you invested 10,000 USD in the Stivers mutual…

Q: For the data represented by the Stem and Leaf diagram shown below, the Mean is equal to 68.275. The…

A:

Q: Explain the difference between a simple random sample and a systematic sample. (Select all that…

A: Introduction: Simple random sample:  Simple random sample is chosen in such a way that every item in…

Q: A clinic took temperature readings of 250 flu patients over a weekend and discovered the temperature…

A: Given that Mean =101.10 °F  Standard deviation =0.9070 °F  Sample size =250 We have to find a..The…

Q: Which statement is incorrect for statistical dependence between X and Y?

A: Here Given, X and Y are dependent.

Q: A study of the consultants in a particular industry has determined that the standard deviation of…

A:

Q: If one of the item in a simple aggregate price index is milk, the index will be unchanged if the…

A: Considering p1 and p0 as the price of each item in the current period base period respectively, the…

Q: In February 2013, Sports Illustrated published a controversial article stating that football…

A: As per our company guidelines we are supposed to answer only first question. Kindly repost other…

Q: A company with 16 interns must assign them to training programs. It must assign 6 to program A, 5 to…

A:

Q: State the model used in time series analysis.

A: Time series analysis includes the analysis of time related data. This analysis contains forecasting…