In a sample of 800 U.S. adults, 202 think that most celebrities are good role models. Two U.S. adults are selected from this sample without replacement. Complete parts (a) through (c).(a) Find the probability that both adults think most celebrities are good role models.

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A: given data,28-yellow marbles 11-teal marbles 39- total marbles  here two marbles are randomly chosen…

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A: 26 ways to fill it 25 ways to fill it 24 ways to fill it 23 ways to fill it 22 ways to fill it 10…

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A: Given Let X = number of cavities Probability

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A: Given A professor has a class with four recitation groups.  Each section has 7 students. We should…

Q: Assume that birth weights of full-term babies are normally distributed with mean 7.49 pounds and…

A: given data normal distribution μ = 7.49σ = 0.7

Q: The mass of a species of mouse commonly found in houses is normally distributed with a mean of 19.3…

A: GIVEN DATA normal distribution μ= 19.3σ = 0.11

Q: The data in the table represent the ages of the winners of an award for the past five years. Use the…

A: Given that   Sample Size:51 58 31 33 51 We have to find c.... Sampling distribution of sample means…

Q: Scores for men on the verbal portion of the SAT-I test are normally distributed with a mean of 509…

A: Given: μ = 509 σ = 112 Formula Used: Z-score = X-μσ Z-score = X-μσn

Q: NITY COLLEGE II you anIONICITU IVIDI NCU UULUI 1.00 You bet on 1 to 12 (so if any number from 1 to…

A: There are 12 numbers. 6 are on red and 6 are on black.

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A: The given probability distribution table is,

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A: Mean = 12  N= 11  df = N-1 = 10  t = 1.415

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A: Given n=32 S=5 Xbar=45

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A: From the provided information, Population standard deviation (σ) = 200 Sample mean (x̄) = 2500…

Q: 6. Most individuals are aware that the average annual repair cost for an automobile depends on the…

A: The question is about hypo. testing Given : Sample no. of automobiles which were 4 years old ( n1 )…

Q: 2.38 Baggage fees: An airtine charges the following baggage fees: $20 for the first bag and $35 for…

A: Formula Used: The expected value is = E(X) E(X) = ∑xP(x) Standard deviation = E(X2)-E(X)2

Q: 5. please use a .05 significance level for all the problems. Show all your work. When you perform a…

A: Given data: Significance level = 0.05

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

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A: Given n=3 P=1/6

Q: 5.19 As a student drives to school, he encounters a traffic signal. This traffic signal stays green…

A:

Q: Aspirin tablets are sold with the label “active ingredient: aspirin 325 mg.” It is also known that…

A: The question is about hypo. testing Given : Popl. avg. amount of aspirin ( μ ) = 325 mg Popl. std.…

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A:

Q: Find the z-score for the given shaded region under the standard normal distribution. Round your…

A:

Q: In a study of 2000 model cars, a researcher computed the least-squares regression line of price (in…

A: Equation is given :  Price = -700 + 170* horse power

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A: Given that  Mean = M = 189000 Standard deviation = SD = 20500 Sample size = n = 50

Q: A jury pool consists of 9 men and 11 women. The jury will be made up of 12 jurors. a. If one person…

A: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…

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A:

Q: What would the null and alternative hypotheses be, as well as the test statistic?

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A: given data,  we  have to find out the 82nd  percentile for the given data, Arranging Observations in…

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A: Given data is Category f 13-16 7 16-18 9 18-23 14 23-27 17 27-28 15

Q: Question : A jury pool consists of 9 men and 11 women.  The jury will be made up of 12 jurors…

A: GivenNo.of men in a jury=9No.of women in a jury=11Total no.of people = 20

Q: The test statistic of z=0.91 is obtained when testing the claim that p>0.29. This is a right-tailed…

A: From the provided information, The test statistic (z) = 0.91 Level of significance (α) = 0.10 The…

Q: 7. A poll taken during the recession in 2008 asked 600 adults a series of questions about the state…

A:

Q: State whether the following is a discrete or continuous random variable. i. Number of seeds in a…

A: It is needed to discuss whether the given random variables are discrete or continuous.

Q: please use a .05 significance level for all the problems. Show all your work. When you perform a…

A: Event is the outcome of all the possible observations that favorable to a case. If an event occur…

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A: Mean is the average of all the observation in the data set. It is a measure of central tendency.…

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A: Data in ascending order:-  1 14 2 35 3 83 4 99 5 99 6 205 7 208 8 209 9 261 10…

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A: Note: As per the Bartelby guidelines only three subparts xan be answered.  Kindly, resubmit for…

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A: n=54, standard deviations s=16.7, sample mean x̄=16.1

Q: (b) Use rules of variance to obtain an expression for the variance and standard deviation (standard…

A:

Q: Determine the minimum required sample size if you want to be 95% confident that the sample mean is…

A: Given Margin of error=1 C=95% confident level  σ = 4.8.  the population is normally distributed

Q: An IT technician recorded the time in minutes per user in a random sample of 49 students on social…

A: It is given that Sample size n = 49 95% confidence interval is (142.9, 189.1), then the margin of…

Q: A quality engineer of a manufacturer of electric plugs took a sample of 250 plugs, of which only 10…

A: given data n = 250x = 1095% ci for P , upper bound of ci  = ?

Q: Consider

A:

Q: lease use a .05 significance level for all the problems. Show all your work. When you perform a…

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Q: The mean of the values 2, 3, 4, 6, 9, 10, rounded appropriately, is: a 8.67 Ob.8.666666667 0087…

A: Given data is ,2,3,4,6,9,10sample size(n)=6

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A:

Q: Q6: The following data show the number of hours spent watching television for 12 randomly selected…

A:

Q: The table below shows the number of state-registered automatic weapons and the murder rate for…

A: Given: n = 8 Formula Used: b = n∑XY-∑X∑Yn∑X2-∑X2 a = ∑Y-b∑Xn

Q: 18% adults favor the use of unmanned drones by police agencies. Twelve U.S. adults are randomly…

A: given data,n=12 p=0.18q=1-p=1-0.18=0.82x=no of adults favor the use unmanned drones by police…

Q: A)For n=56​, p=0.5​, and X=30, use the binomial probability formula to find​ P(X).     B)Can the…

A: It is given that  X follows Binomial(n = 56, p = 0.5), then the probability function  P(X = x) =…