Bob has a part time job applying lawn fertilizer. He recorded the time required for a lawn treatment for last weks service calls 28, 31, 24, 36, 44, 40, 72, 39, 32, 56, 22, 37, 41, 51, 38, 27, 29 is there outliers

Q: The number of seconds XX after the minute that class ends is uniformly distributed between 0 and 60.…

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Q: Question 6 < Central Limit Theorem for Proportions When you take samples from a population and…

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Q: manufacturer knows that their items have a normally distributed lifespan, with a mean of 8.9 years,…

A: Given that  Mean = M = 8.9 , Standard deviation = SD = 1.8

Q: Exhibit 13-21 Source of Variation Between Groups (Treatment) 6,000.0 Within Groups (Error) Total OSI…

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Q: A binomial probability experiment is conducted with the given parameters. Compute the probability of…

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Q: A random sample of 49 cans of soda is obtained and the contents are measured. The sample mean is…

A: From  given data we have : mean x=12.01 the standard deviation s=0.13 n=49

Q: . Use the given information to find the number of degrees of​ freedom, the critical values χ2L and…

A: Given: n=21 s=65.5 90% confidence

Q: About 6% of the population has a particular genetic mutation. 700 people are randomly selected. Find…

A: Given that  Probability of success p=0.06 ,q=1-p=0.94 Number of trials =700 X~binomial (n,p)

Q: Question 8 Assume the mean useful life of a Caterpillar motor is 500,000 hours and is normally…

A: Given: Mean μ = 500,000 Standard deviation σ = 50,000 X = 605,000 Formula Used: Z-score = X-μσ

Q: According to flight stats.com American Airlines flights from Dallas to Chicago are on Time 80% of…

A: It is given that  P( on-time ) = p = 80% = 0.80 Sample size, n = 20     Note: According to Bartleby…

Q: What distribution would you use to find the critical value in this problem.Exhibit 12-5 The table…

A: Solution: We are given the information about beverage preferences for random samples of teens and…

Q: Question 8 Examining the below R output, explain in detail the model that has been selected for…

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Q: What percent of data is less than -8%

A: here we can see that shape of curve is bell shaped and symmetric about x = -6 so it is normal…

Q: is a probability density function on a Sample space of (1, 3, 5, 5,73 P(1) = 0.34 P(3) = 0.19 P(5) =…

A: Given that following data : P(1)=0.34 P(3)=0.19 P(5)=0.23 P(7)=? First we will calculate P(7) then…

Q: A population of values has a normal distribution with μ = 145.1 and σ = 60.3. You intend to draw a…

A: Question.2:- according to central limit theorem if sample size is large enough i.e. greater than 30…

Q: The mean score on a set of 26 tests is 88. Suppose two more students take the test and score 63 and…

A: Sample mean x̄=88, n=26, X27=63 and X28=56

Q: If you were going to evaluate the how much money you would need to save each month if you wanted to…

A: Some of the basic notations used in excel financial functions are given below: rate Interest rate…

Q: In a random sample of 250 younger bank clients, 140 used online banking, and in a random sample of…

A: It is given that  Younger bank clients: X1 = 140 n1 = 250 Older bank clients: X2 = 126 n2 = 300

Q: Refer to Exhibit 13-4. What is the correct procedure to use in Excel to test whether the population…

A: If there are two paired samples, then t-Test paired two sample for means is used. If there are two…

Q: Exercise 12. Spending of College Freshmen The average amounts spent by college freshmen for school…

A: Exercise 12 Given The data is as follows: Electronics/computers $728 Dorm items $344 Clothing…

Q: A political scientist surveys 25 of the current 116 representatives in a state's congress. What is…

A: From the given information we have, they surveys 25 out of 116 representatives

Q: A pharmaceutical company makes tranquilizers. We wish to find the 89% confidence interval. It is…

A: Data given…

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A: It is related to compound interest : A=P(1+ r/100)n   A = amount after n years  P= principal amount…

Q: a. Complete the table for the Standard Normal Distribution. Region Area (-∞, - 3] 0.0013 0.13% (-3,…

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Q: Find the median of the following data: Element Frequency 14 2 36 5 45…

A: Answer: - Find the median of the following data:                 Element   Frequency c*f 14   2…

Q: children under five who came from a normally distributed population with a mean of 3500 grams and a…

A: Given that.   X~N( μ , ?)   μ=3500     , ?=200  , n=15   Z-score =( x - μ )/?

Q: Data was collected for 40 randomly selected trees growing in the median strip of a busy freeway. The…

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

A: Given that  X~N( 0 , 1 )   μ=0  , ?=1 (for standard normal distribution)    Z-score =( x - μ )/?

Q: A dairy farmer accidentally allowed some of his cows to graze in a pasture containing weeds that…

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Q: 4- P(N> 3)?

A: Here given , Probability mass function of Discrete Random Variable . PN(n) = c/n  , n = 1,2,30…

Q: n a survey of 1082people, 725 people said they voted in a recent presidential election. Given that…

A: From the provided information, Sample size (n) = 1082 64% of eligible voters actually did vote that…

Q: Exercise 10. Space Launches The data show the number of U.S. space launches for the 10-year periods…

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

Q: Assume the random variable x is normally distributed with mean μ=87 and a standard deviation σ=4…

A: Given,Mean(μ)=87standard deviation(σ)=4

Q: The following data represent the living situation of newlyweds in a large metropolitan area and…

A: &lt;$20,000   $20−35,000   $35−50,000   $50−75,000   &gt;$75,000  total Own home 31…

Q: 9.In a recent poll, 23% of the respondents supported candidate A, 19% supported candidate B.13%…

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Q: The linear correlation between violent crime rate and percentage of the population that has a cell…

A: Given that The linear correlation between violent crime rate and percentage of the population that…

Q: In order to determine whether or not there is a significant difference between the hourly wages of…

A: From the provided information, n1=50x1=20.50σ1=2.5n2=70x2=10.25σ2=2.00

Q: Exercise 1: You own two surfboards, a blue one and a purple one. You surf everyday and the…

A: In this case, the events of interest are "using the blue surfboard" (i.e., defined as success) and…

Q: For the accompanying data​ set, (a) draw a scatter diagram of the​ data, (b) compute the…

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Q: GreenBeam Ltd. claims that its compact fluorescent bulbs average no more than 3.50 mg of mercury. A…

A: Given  Level of significance ɑ=0.01, mean μ=3.5, n=25, sample mean x̄=3.59

Q: Let the random variable X represent test 1 scores of the students who take a math class. Suppose…

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Q: The ability to determine the age of some individuals can be difficult if there are not quality…

A: Given: μ = 18.5 Years  σ = 16 months = 1612years Formula Used: Z-score = X-μσ

Q: You have an unfair coin that can flip Heads or Tails. P is a probability density function for…

A: Given P(Tails)=284/557

Q: An insurance company wants to know if the color of an automobile has a relationship with the number…

A: It is needed to test whether there is association between automobile color and the number of moving…

Q: Pele took all samples of size n=40 from a population of test scores. He found that on average, the…

A: Introduction: It is required to find the standard error and expected value of the dataset.

Q: Step 1 of 4: Calculate the expected value for the number of doctors voting for the Democratic party.…

A: It is given that  Total doctors = 75 Total democrats = 177 Total voters = 323

Q: Question 4 of 4, Step 3 of 4 An insurance company wants to know if the color of an automobile has a…

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Q: 10. A five digit access code is used to open the new portion of SWHS. If the first number has to be…

A: The fundamental counting principle is a technique to identify the number of ways multiple…

Q: Find the​ least-squares regression line treating weight as the explanatory variable and miles per…

A: The least-squares regression line treating weight as the explanatory variable and miles per gallon…

Q: Given that Practice q 88. 129 s² = 100, s²=81, Σ(x − x)(y- y) = 480 and n=8, the slope of the…

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