The number X of refriger ators sold per day at a local appllance store Is shown In the table below along with the coressponding probabiltles. If u-2.43, Find the varlance of X. 3 4. 0.35 b. 0.04 f(x) 0.06 0.13 7.73 3.42 1.88 1.37

Q: An xbar chart is to be established based on x-doublebar=100 and sbar=8 with n=4. The control limits…

A: Given that, X-double bar=100 , s bar=8 n=4, α=0.0035 α2=0.00352=0.00175 z(α/2)=z(0.00175)=2.92…

Q: The scores of the top ten finishers in a recent race are listed below. 65 66 66 67 67 67 68 70 70 71…

A:

Q: You want O determine whether the reasons given by workers for continuing their education s related…

A: HERE given ,  significance level =  0.05  here test the claim reason and type of worker are…

Q: Calculate f (9)using linear interpolation formula from the following table: 10 S(x) 9. 16

A:

Q: Q4. Using Lagrange's Interpolation method, determine the value of y if x is 13 from the following…

A:

Q: Q2. Calculate Coefficient of determination (R²) from the following data: X 3 4 5 7 y 5 6. 4 4 6.

A: Solution :  Given :  X = 3, 4, 5, 7, 6 Y = 5, 6, 4, 4, 6 n = 5 From this data, ∑X    =  25 ∑Y    =…

Q: Suppose f"(x) = N, (h) + a,h + a,h² + azh³ + . The value of N2(h) using Richardson's extrapolation…

A: Solution- Given, Using Richardson's Extrapolation, let us assume, , where  is an unknown constant…

Q: 4.Use Lagrang interpolation method to find f(1) based on the following data: a -3 2-1 3 ソ=fx)||1 2 4…

A: 4 Consider the given table x−32−13y=fx1248 Use the Lagrange's interpolation method we will find the…

Q: The figure above summarizes the heights, in centimeters, of approximately 400 pine seedlings six…

A: On observing the box plot, it clear that the median for the unfertilized trees is less than the…

Q: 10. Mary had exams in Statistics and Intro to Social Welfare. On the Statistics exam, µ = 30 and o =…

A: Statistics exam  μ=30, σ=5, X=45 Social welfare μ=60, σ=8, X=68 FarmulaZ score=X-μσ

Q: In the products of a company that produces electricity meters, an average of 1 meter is produced…

A: Given: The average number of faulty products is 1. The possibility of 2 faulty products in the…

Q: feels that the commute in his city is less and wants to publicize this. He randomly selects 25…

A: The hypotheses are given as follows: Null hypothesis: µ=25.4. Alternative hypothesis: µ<25.4.…

Q: The following table gives the number of parking tickets obtained in a semester and the GPAS of 5…

A: Given data, X Y X*Y X*X Y*Y 2 5.5 11 4 30.25 4 4.5 18 16 20.25 5 3 15 25 9 6 2.5 15 36…

Q: x: Percentage success for mallard duck nests 11 74 68 11 74 y: Percentage success for Canada goose…

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

Q: Larry is a 62% free-throw shooter, that is to say that anytime Larry attempts a free-throw, there is…

A: Given data, p=62% =0.62 n=70   Mean=?

Q: If X-t(12), then the (97.5)th percentile of X is closest to: О а.218 O b. 2.44 O c. -2.44 O d. -2.18…

A: Probability distributions are of 2 types, discrete and continuous. The t distribution is a…

Q: Answer these question

A: Given data,No of accidents n=100Alcohol reted is x=31point estimate p=?

Q: Hospital Śurgical site Pneumonia Bloodstream Total infections infections infections A 41 27 51 119 B…

A: Given: The contingency table is shown below   Surgical  site infection Pneumonia infection Blood…

Q: A survey of 100 fatal accidents showed that 28 were alcohol related. Find a point estimate for​ p,…

A:

Q: a. If a man is 6 feet 3 inches tall, what is his z-score (to 4 decimal places)? Z = b. If a woman is…

A: formula for z-score is

Q: Find the value of F-test according to the following information (number of observation=30) Model 1:…

A:

Q: Calculate the coefficient of determination, r2r2. Round your answer to three decimal places.

A: First we insert the given dataset in R studio as,

Q: The average value of f (x) = x – 4x on [3,9] is -3 90 O 15 O 4

A:

Q: for a population with a µ = 60 and σ = 12 Find the z-score for an x value of 75

A: The mean is 60 and the standard deviation is 12.

Q: A company conducted a survey to see whether its new toothpaste was more popular with children or…

A:

Q: An archaeological excavation at Burnt Mesa Pueblo showed that about 10% of the flaked stone objects…

A: Probability that a flaked stone is a finished arrow = 0.1 And probability that it is not = 1 -0.1 =…

Q: 6. Place the following values in order from least (on top) to greatest (on bottom). V15 3.2 3.16 V49…

A:

Q: Given x = 0, 1, 2, 3, 4, 5 how is the mean 1.5? Shouldn't the mean of x be 2.5?

A: Measures of Central Tendency: A measure of central tendency represents the central value or typical…

Q: Find the Z-score if X = 23, 17, o = 2.5 Write the Z-score rounded to 2 decimal places.

A: Given X=23 Mu= 17 σ=2.5

Q: What is the missing value for x on the diagram below? 4x + 2 8 4x О 12 O 4 О 23 О 14

A: The intersecting chords theorem states that when two chords intersect at a point, P, the product of…

Q: Find the z-score z_0.025

A: The random variable z represents the standard normal distribution with parameters . The Excel…

Q: What is the largest possible value for k? k u v + w X y z

A: Given: Assume 'v', 'x', 'w', 'y' and 'z' be positive single digit integers (0-9). (Since , the…

Q: What is the alternative hypothesis? A HaiH> 80 ОВ. На:Х> Haix> 80 O. HaiH<80 O D. Haix < 80 O E.…

A: Solution-: We find the alternative hypothesis

Q: The cost, in millions of dollars, of a 30-second TV ad during the Super Bowl from 2015 to 2019 can…

A:

Q: Suppose X ~ N(17, 6). What value of x has a z-score of -2.1?  x = ______? Round to one decimal…

A: Given, Therefore, µ=17 σ=6 z=-2.1

Q: 4 Find the value of x. E |56° D 'F (type an integer or decimal as your ansv

A:

Q: Sarah works for the Urban Pollination Project at UW. Five years ago, 25% of urban gardens were…

A: From the provided information, 25% of urban gardens were visited by native bees that is p = 0.25 The…

Q: 40. The donations from the residents of Fairway Forest toward the Virginia lung Association are…

A: Calculate Mode from the following data9,10,5,9,9,7,8,6,10,11

Q: From this geometruc distrubtion. (0.45)8(0.55). What does the 8 represent?  1. Probability of…

A: For geometric setting, there are four requirements need to be fulfilled. These requirements are…

Q: An archaeological excavation at Burnt Mesa Pueblo showed that about 10% of the flaked stone objects…

A:

Q: a pollster wnats to minimize the effect the order of the questions has on a person's response to a…

A: From the given information,   A pollster wants to minimize the effect the order of the questions has…

Q: 4) Find the value of x for y 5.043 with the help of following data. 2.3 4.5 6.7 1.2 4.1 10.6 f(x,)…

A: It is required to find the value for x for

Q: Calculate f (8)using linear interpolation formula from the following table 10 S(x) 4. 9. 16

A: Linear interpolation formula is  fx=fx1+x-x1fx2-fx1x2-x1                        1 Here, x1=7, x2=10,…

Q: t is thought that basketball teams that make too many fouls in a game te co lose the game even if…

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

Q: A recent study in 2013 conducted in Canada showed that house values were reduced in value by an…

A:

Q: A fast food restaurant boasts that their mean wait time in the drive-thru line is less than 3…

A: Given Information: Number of customers n=125 Sample mean wait time x¯=2.82 Population standard…

Q: A. y В. 10 10 9. 8. 6. 12345 67 8910 123456789 10 C. D. y 10 6. 8. 6. 3 2. 23456789 10 1234567 8 9…

A: Graph problem....