A jar of peanuts is supposed to have 20 ounces of peanuts. The filling machine inevitably experiences fluctuations in filling, so a quality-controi manager randomly samples 12 jars of peanuts from the storage facility and measures their contents. She obtains the accompanying data Complete parts (a) through (d) below. Click here to view the peanut jar data Click here to view the table of critical values of the chi-square distribution. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) Verify that the data are normally distributed by constructed a normal probability plot. Choose the correct normal probability plot below. OA. OB. &c. A expected z-score Q Q 1.75 -1.754 19.2 *** Yes No 2 observation Are the data normally distributed? 20.6 (b) Determine the sample standard deviation. s= (Round to three decimal places as needed.) A expected z-score 1.754 -1.75 19.2 observation 20.6 2 1.75- -1.75 A expected z-score Peanut jar data 19.2 ....... observation 19.94 19.71 20.22 19.25 19.45 20.14 19.78 19.47 20.6 Q Q 19.85 19.86 20.26 20.54 D OD. - X A expected z-score Q Q 206+ 19.2- -1.75 60 observation 1.75 G 4

Q: Use sample standard deviation formula to find the standard deviation of these BMI’s: ​ 33.3, 28,…

A: The question is about measures.Given :To find :Value of sample standard deviation

Q: An engineer wants to determine how the weight of a car, x, affects gas mileage. y. The following…

A: CarABCDEWeight(pounds),x25502900349536504230Mile per Gallon,y26.625.12519.115.9Explanatory variable…

Q: Matthew, an experimental psychologist, indicates that the age at which a child learns to walk is…

A: Mean() = 10.9 Standard deviation () = 0.5X ~ N (µ, σ) = N( 10.9, 0.5)

Q: The partially completed analysis of variance table given below is taken from the article, "Power and…

A: We have given the following ANOVA tableSource of Variation SSdfMSFPower 0.24001Knowledge…

Q: The formula for the sum of squares due to treatments, SSTR, follows where n, is the number of…

A: Given that : k= 23 treatements or groups Each group has 5 observation. We have to fill the missing…

Q: Assume S=0.05 for this problem. Answer the questions below. a) Explain why an insurance company…

A: Since you have posted a question with multiple sub-parts, we will solve the first four sub-parts for…

Q: conditions in their local prison. Using the data collected, test the difference between the means.…

A: N1=50,N2=40,X1¯=6,X2¯=4.9,s1=1.2,s2=1.4,α=0.05

Q: Are Republicans just as likely as Democrats to display the American flag in front of their residence…

A: The sampled number of Republicans, n1=655.The sampled number of Republicans, who displayed the flag…

Q: Variations in process output that are due to factors such as machine tools wearing out are Select…

A: Assignable Causes: Assignable causes are variations in a process that can be traced back to…

Q: Find the area under the normal curve. (sketch the graph, then show your solution) P(1.25 ≤ z ≤ 2.31)…

A: To find the area under the normal curve for the given probabilities, we can use a standard normal…

Q: percentage of scores lie within 2.34 standard deviations on both sides of the mean?

A: Standard normal distribution

Q: Determine whether the events are disjoint for a single trial. Find a ten dollar bill on the…

A: The given events are as follows:Finding a $10 bill on the sidewalk.Finding a $10 bill on the…

Q: Find the missing value required to create a probability distribution, then find the standard…

A: A probability distribution, the sum of all probabilities should equal 1. In your given probability…

Q: For 300 trading days, the daily closing price of a stock (in $) is well modeled by a Normal model…

A: The question is about normal distribution.Given :Population mean daily closing stock price (  ) =…

Q: Consider the probability distribution shown below. 0 1 0.75 0.20 2 0.05 X P(x) Compute the expected…

A: Random variables are of 2 types, discrete and continuous. A discrete random variable can only take…

Q: 9.9 Zeros on a Roulette Wheel: We now wish to make a more sophisticated estimate of the number of…

A: The Roulette wheel has some non zero slots and some zero slots. Number of non-zero slots is…

Q: Click the icon to view the table of critical values of the chi-square distribution. lect the correct…

A: It is given that n = 12s = 0.352Confidence level = 90%

Q: A total of 8 popular brands of cola are to be used in a blind taste study for consumer recognition.…

A: The total number of brands is 8. The number of brands chosen randomly is 5.

Q: Construct the confidence interval for the population mean μ. c=0.90​, x=16.7​, σ=7.0​, and…

A: From the provided information,

Q: Identify the mean, median and mode based from the data below. Please show complete solutions and…

A: Given data: Cholesterol (xi)No. of obs. (fi)fi*xiCumulative frequency…

Q: Construct a confidence interval for the ratio of the two population variances using the given…

A: n1=14,n2=13,s12=8.318,s22=3.568

Q: A genetic scientist says that the average time of germination for a pink flowering Vinca is 25 days.…

A: From the provided information,The average time of germination for a pink flowers Vinca is 25…

Q: For this question, you should draw the AS/AD diagram on your own paper, and use your diagram to find…

A: If there is an increase in government spending and no decrease in spending by anyone else, it would…

Q: Use the spinner shown. It is equally probable that the pointer will land on any one of the six…

A: In spinner One grey, three blue and two purple.

Q: You may need to use the appropriate technology to answer this question. The following data are from…

A: Treatmen 1Treatment 2Treatment 363837046715453876146715152785964.676871.33Level of significance

Q: Blood pressure: High blood pressure has been identified as a risk factor for heart attacks and…

A: The question is about normal approximation.Given :Population proportion of adults with high blood…

Q: ccording to the following confidence intervals based on a regression analysis, which coefficients…

A: The confidence intervals for the regression coefficients are given.

Q: Female 17 3 8 Total 31 9 12 28 52 If one student is chosen at random, Find the probability that the…

A: It is given that the data in cross tabulation form represents the test to a group of students, the…

Q: Let z be a standard normal random variable with mean ? = 0 and standard deviation ? = 1. Use Table 3…

A: The probability of area between 0.55 and 1.77

Q: Tire lifetimes: The lifetime of a certain type of automobile tire (in thousands of miles) is…

A: For the distribution of the lifetime (in thousands of miles) of the specified automobile tires, it…

Q: Find Poo for a Markov chain with the following transition diagram. 25 3 25 (1) .5 .5 5 6

A: Given the transition diagram as

Q: woman has in her lifetime is 1.37. Suppose that one Japanese woman is randomly chosen.  In words,…

A: It is given that the average number of children a Japanese woman has in her lifetime is 1.37.Note:…

Q: In a random sample of 100 Students (i.e., trials, n), 27 indicated they were full-time (i.e.,…

A: Given information: n= 100 trials x= 27 eventsp= 0.5 population proportion

Q: instructor believes that students take more than 2 classes per quarter on averag viewed a class of…

A: Sample size n=24Sample mean=2.3Standard deviation=0.8

Q: In a normal distribution with μ 250 and o = 20 find the percentile rank of the following data…

A: Mean=250Standard deviation=20

Q: 184. Michael and Lorenzo both took the same calculus test. Mi- chael scored an 87 on the test.…

A: We have givenMichael score ( X1) = 87Lorenzo z-score(Z) = + 1.2 Lorenzo mean and standard deviation…

Q: How many trout were less than 20 inches long? Hint: 20 inches is the upper quartile of the box-and-…

A:

Q: Tire lifetimes: The lifetime of a certain type of automobile tire (in thousands of miles) is…

A: Given:      Mean  =39     Standard Deviation  = 5

Q: 10 grams. If you pick one fruit at random, what is the probability that it will weigh between 655…

A: Mean = 676Std. deviation = 10

Q: The Rockwell hardness of a metal is determined by impressing a hardened point into the surface of…

A: Note: As per our guidelines we are supposed to answer only 3 sub-parts of any questions so I am…

Q: For a standard normal distribution, given: P(z < c) = 0.4304 Find c.

A:

Q: Find the area of the shaded region under the standard normal curve. Click here to view the standard…

A: From the provided information,The area of the shaded region is in the right side of normal curve.The…

Q: The first 50 BMI’s from data set 1 “Body Data” listed below are arranged in increasing order. Find…

A: 15.9,19.3,19.4,20,20.1,21.0,21.0,21.6,21.6,23.2,24.5,24.6,24.8,25.5,25.8,25.8,25.9,26.1,26.1,26.7,27…

Q: A population of values has a normal distribution with μ = 85 and o = 41.1. You intend to draw a…

A: From the provided information,

Q: Please give solution in correct and step by step detailed format thanku Don't give solution in…

A: The specified cost of producing a product is $35.As a defective product costs an additional $15, the…

Q: how did you find the answer to a? what were the steps?

A: The mean of the distribution,  million visitors per dayThe standard deviation of the distribution,…

Q: When a man observed a sobriety checkpoint conducted by a police​ department, he saw 658 drivers were…

A: The total number of drivers screened is 658. The number of drivers arrested for driving while…

Q: O Sports and other outdoor activities. In February 2020, Statistics Norway conducted a survey on…

A: x is (approximately) a binomial random variable because it satisfies the properties of a binomial…

Q: In an ANOVA setting, the choose your answer... sum of squares measures the variability of the sample…

A: We have given that following statement with a blank In an ANOVA setting, the______ sum of squares…

Q: Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and…

A: the standard normal distribution with mean 0 and standard deviation 1 z is on the right side of the…