Sephora uses a continuous distribution to describe the sales from one of their beauty events. From business intuition the manager sees generally sales are from $100,000 to $150,000 in their location. What is the probability the sales is more than 120,000?

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A:

Q: QUESTION 9 You are conducting a test to see if the weights of newborn babies in a NYC hospital is eq...

A: n=36, σ=4, μ=8, x̄=7  

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A:

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Q: "Given a standard normal distribution with mean =115 and standard deviation = 25, find P(86 <X < 130...

A: GivenMean(μ)=115standard deviation(σ)=25

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A: Hamburgers = 20rs/piece  Cheese burgers = 25rs/piece Matt would spend 300 to 500 for burgers. 

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Q: Parents Did Not Smoke Parents Total Smoke Child Smokes 25 84 109 Child Does Not Smoke 51 64 115 Tota...

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Q: "Given a standard normal distribution with mean =146 and standard deviation = 42, find P(X<81)." A 0...

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Q: Given the following contingency table for Hair colour and Eye colour, find the value of x. Is there ...

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Q: Probability Task: Suppose, it is 11 to 5 against a person who is now 38 years of age living till he ...

A: Solution is given:  

Q: Consider a regression setting with input data XER® following a Gaussian distribution X~N(4, E). The ...

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Q: The scatter plots of a dependent variable Y against four independent variables X1, X2, X3 and X4 are...

A: Scatterplot is a graphical representation between two variables, where each of the points of the plo...

Q: 2.3.1 What probability distribution function(s) can be used to calculate probability of successfully...

A: 2.3.1 Here we want to determine the distribution of number of trials required to find oil for the ve...

Q: 1. For parts a-c, state whether X follows a binomial distribution. If X is binomial, give the values...

A: Given,Total no.of toppings=16

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A: For the given data N =? , n =? ,k = ? x =?

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Q: CH10: An independent-measures study was completed by Dr. Savannah Deanne who tested n1 = 6 and n2 di...

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Q: Compute quartile deviation from the following а: Height in in.ches No. of students 58 15 59 20 60 32...

A: We have given that,  Height (x) :- 58, 59, 60, 61, 62, 63, 64, 65, 66 Students (y) : 15, 20, 32, 35,...

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A: Given:

Q: B. Directions: Solve the corresponding z-score for each raw score. Indicate also whether each raw sc...

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Q: The minute duration of a random category of dramas in Netflix are the following: 93, 83, 76, 92, 77,...

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Q: Example 11. Find the mean values of two random variables x and y and the correlation pefficient betw...

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Q: The mean salary offered to students who are graduating from Coastal State University this year is $2...

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Q: II. calculate the probabilities 1. P(0<z<144) 2. P(-2.81 <z<0) 3. P (z<-0.73 ) 4 P(-3 10 <z<190)

A: As per bartleby guideline expert have to answer first three subparts only dear student please upload...

Q: Example Two unbiased dice are tossed. Let w denote the number on the first die and r denote the numb...

A: The sample space, S={ (1,1) (1,2) (1,3) (1,4) (1,5) (1,6)  (2,1) (2,2) (2,3) (2,4) (2,5) (2,6)  (3,1...

Q: Given the following contingency table for Hair colour and Eye colour, find the value of x. Is there ...

A:  

Q: A random variable X has a uniform distribution over (-3,3). Compute i) P(X=2), P(x K) =}

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Q: Solve the following problems by hypothesis testing. Run a two-tailed test on the following data usin...

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Q: For a population with mean of 50 and standard deviation of 8, what is the z- score that corresponds ...

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A: Solution is given:

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Q: Illustration 11.16. Calculate quartile coefficient of skewness from the following: Weight No. of per...

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Q: The following data is drawn from Example 2: Unions and Intersections. It shows the frequency of pass...

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Q: 5. [Facebook An Internet survey asked 525 Facebook users whether the amount of time they spent using...

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A: Given information: x = 70 n = 100 p^N=xN=70100=0.70

Q: 1. For parts a-c, state whether X follows a binomial distribution. If X is binomial, give the values...

A: Given: Whether X follows the binomial distribution or not