Find the 84th percentile, P84, from the following data 9 10 12 16 18 19 38 39 48 49 60 63 72 74 75 79 80 83 84 85 86 88 90 96 97

Q: The following table is a probability distribution for the random variable x. X P(x) 5.0 25% 10.0 50%…

A: Given, X 5 10 15 P(X) 0.25 0.50 0.25

Q: Formulate the indicated conclusion in nontechnical terms. Be sure to address the original claim. A…

A: 29) Option B is the correct one.   Null hypothesis H0: p=1 against alternative Hypothesis Ha:p<1…

Q: For the statement below, write the claim as a mathematical statement. Use proportions to state the…

A: From the given information, 67% of college students used student loans to pay for college.

Q: A simple random sample of size n = 40 is drawn from a population. The sample mean is found to be x =…

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Q: The accompanying table shows the numbers of male and female students in a certain region who…

A: Given data is   Degrees in Field Degrees Outside of Field Total Males 161681 595900 757581…

Q: et x be a continuous random variable that has a normal distribution with μ = 48 and robability that…

A: The mean and standard deviation are 48 and 8, respectively.

Q: A random sample of Engineering and Architecture students of a university were interviewed to…

A: The following information has been provided. Observed Frequencies   favourable neutral un…

Q: Omitting a variable from our model that has a causal effect on our dependent variable always leads…

A: 29) Omitting a variable from our model that has a casual effect on our dependent variable always…

Q: ou would like to estimate the effect of the amount of rainfall in a given month in a region on the…

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Q: A researcher wishes to estimate the proportion of adults who have high-speed Internet access. What…

A: Solution-: Given: M.E.=0.03, c=0.90 We want to find sample size for (a) She uses a previous estimate…

Q: If one card is drawn from an ordinary deck of cards, find the probability of getting a diamond or a…

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Q: According to a recent study, students at land-grant universities spend between $650 and $950 per…

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Q: Find the area to the left of x = 36 under a normal distribution curve with μ = 44 and o = 4.

A: The mean and standard deviation are 44 and 4, respectively.

Q: needs: Estimation of a single proportion N = 50 (total number of respondents) X = 48 (total number…

A: Given a one sample proportion test is conducted which is right tailed.  And the confidence interval…

Q: Jamaica Auto Service is a popular place for car service. It is also known that the mean time taken…

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Q: The Medical Rehabilitation Education Foundation reports that the average cost of rehabilitation for…

A: Given that, μ=$24762x¯=26434σ=3521n=36 Assume that the level of significance is, α=0.05 The type of…

Q: A math teacher clas administrator of the exam, scores are normally distributed with u=524. The…

A: Given that ; μ = 524 n = 2000 Sample mean = 532 ? = 117 By using the hypothesis testing we solve…

Q: * Using the t-distribution table, find the critical value(t-value) of a left-tailed test with <=0.01…

A: Given that  t-distribution table  Left tailed test  Level of significance (α) = 0.01 Sample size (n)…

Q: the lower class limits, upper class limits, class width, class midpoints, and class boundaries for…

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Q: To test Ho: μ-40 versus H₁ μ<40, a random sample of size n=24 is obtained from a population that is…

A: The provided information is  x¯=36.5s=13.4n=24α=0.05The egrees of freedom is…

Q: Consider the following regression estimates (FN3) Linear regression Number of obs F(1, 498) 500…

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Q: Consider the following regression line: Test Score = 698.9 -2.28 × STR. You are told that the…

A: Solution Given

Q: Can you give a specific example of possible wording of both a null and research hypothesis

A: The null hypothesis also called natural hypothesis contains the equal "=" operator which means that…

Q: 16 percent of the customers of a mortgage company default on their payments. A sample of 5 customers…

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Q: Three cards are drawn from a deck without replacement. Find the probability that all are face cards.

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Q: et the 2-dimensional random variables (X, Y) have joint uniform density function f(x,y) = ²,0≤x≤3,…

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Q: Assume 2 is a random variable with a standard normal distribution and a is a positive number. If P(Z…

A: It is given that P(Z&gt;a)=0.1.

Q: c) A researcher wishes to claim that the average final examination mark of Manufacturing Technology…

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Q: The accompanying table shows the numbers of male and female students in a certain region who…

A: Given   Degrees in Field Degrees Outside of Field Total Males 173963 584527 758490 Females…

Q: A mechanic sells a brand of automobile tire that has a life expectancy that is normally distributed,…

A: Given: μ = 36000 miles  σ = 2700 miles Formula Used: Z-score = X-μσ

Q: Consider the following regression estimates (FNB) Linear regression Robust income Coef. Std. Err.…

A: Solution: The independent or predictor variable is the regression is  working hours per week.  The…

Q: If the coefficient of correlation is 0.70, then the percentage of the variation in y that is…

A: The coefficient of correlation is 0.70   r=0.70 Then the coefficient of determination is…

Q: A factory collected data on the number of nonconforming parts to construct an np-chart. 15 samples…

A: Control chart

Q: a) What is the oldest age at which someone got their license? b) What is the youngest age at which…

A: here as per guidelines i have calculated 3 subparts , plz repost for  remaining  here from given…

Q: A survey was conducted that asked 1017 people how many books they had read in the past year. Results…

A: The provided information is  x¯=12.2s=16.6n=1017α=0.10The degrees of freedom is…

Q: A survey of 1,700 licensed drivers revealed that 33% have received at least 1 speeding ticket in the…

A: The question is about confidence interval Given : No. of licensed drivers under survey ( n ) = 1700…

Q: Tommy Wait, a minor league baseball pitcher, is notorious for taking an excessive amount of time…

A: The mean and standard deviation are 190 and 2.3, respectively.

Q: Assume that in your linguistics class you have earned the test scores 90, 71, 57, and 68; and only…

A: Formula : x̄=Σx/n

Q: The following data refers to the amount of caffeine (in mg) consumed by ten university students and…

A: In the given scenario, we need to predict the time that students took to complete a practice exam…

Q: A newsgroup is interested in constructing a 95% confidence interval for the difference in the…

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Q: Go to Yahoo!Finance and download data at the MONTHLY frequency for the stock Apple Inc. with ticker…

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

Q: Suppose that X, Y and Z are statistically independent random variables, each of them with a x²(2)…

A: Result: if X~χ2(n) Mx(t)=(1-2t)-n/2 If X and Y are independent then E(XY)=E(X)E(Y)

Q: A golf association requires that golf balls have a diameter that is 1.68 inches. To determine if…

A: Solution Given that A golf association requires that golf balls have a diameter that is 1.68 inches.…

Q: -A process has a mean of 10 and a standard deviation of 2, the quality engineer is interested in…

A: The provided sample mean is   = 10 Population standard deviation is S = 2 The size of the sample is…

Q: A simple random sample of size n is drawn from a population that is normally distributed. The sample…

A: From the provided information, Sample mean (x̄) = 114 Standard deviation (s) = 10

Q: 4. The Probability of an event is equal to the sum of the probability of the outcomes inside the…

A: As per company guidelines I solved only 1st question. Thank you  Ans#4  Given, the Probability of an…

Q: deviation of $25. If the management wants to give free gifts to at most 11.51% of the customers,…

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Q: According to the records of an electric company serving the Boston area, the mean electricity…

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Q: Read the following then choose the appropriate test and name the population(s). A researcher asks a…

A: 24) option d) is the correct one. One proportion z-test, population is all men.   The One-proportion…

Q: Supposed a certain game is fair and costs $10 if you lose and has a net payoff of $9 if you win. The…

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