A set of date has a normal distribution with a mean of 100 and a standard deviation of 15. Find the percent of data to the right of 55.

Q: You wish to test the following claim (HaHa) at a significance level of α=0.001       Ho:p1=p2…

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Q: Example 14.6 A company has devised three training methods to train its workers. It is keen to know…

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Q: What are the mean and median (in that order) for the set {2, 5, 2, 8, 3}? 2, 4 b. 3, 4 a. с. 4, 2 d.…

A: 1)Given set is {2,5,2,8,3}Arrange the set in ascending order{2,2,3,5,8}

Q: fc 1 11 11 16 32 3 23 69 Total 50 112

A: The given table is  c f fc 1 11 11 2 16 32 3 23 69 Total 50 112

Q: 1. A test to determine whether a certain antibody is present is 99.2% effective. This means that the…

A: Introduction: The sample includes n = 5 randomly selected people without the antibody.

Q: Let n, = 40, X, = 10, n, = 40, and X, = 30. Complete parts (a) and (b) below. ... a. At the 0.05…

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Q: You wish to test the following claim (HaHa) at a significance level of α=0.01       Ho:μ=80.6…

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Q: 1) In which scatter diagram is r = -1? a b. 12- 10+ 10+ +8 6+ 4+ 2+ 3 1 2 3 4 d. 12- 12- 10+ 10- 8-…

A: Correlation: Correlation a measure which indicates the “go-togetherness” of two data sets. It can be…

Q: The third worksheet labeled sample B is a simple random sample with replacement, with seven…

A: From the provided information, Population standard deviation of the random variable X is 4. That is…

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Q: Q19. The diagram below shows a scatter diagram of values of the variables x and y. Which one of the…

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Q: What is the probability of an equally likely event?

A: Here we will use basic of probability

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A: Given data is Class 15-25 26-36 37-47 48-58 59-69 70-80 81-91 Frequency,f 18 45 66 67 80 66 23

Q: (d) Use the t-test to find the standardized test statistic t t= (Type an integer or a decimal. Round…

A: For the given data Test statistic ( t ) = ?

Q: Find the stationary measures if they exist of the following arrays. 0.3 0.7 /0.3 0.7 a) 0.3 0.9 0.7…

A: The probability matrix is given for a markov chain. The stationary measure states that πP=π that is…

Q: A plot of residuals versus the predicted values may indicate problems with the basic ANOVA…

A: From the above data  We are given that the  A plot of residuals versus the predicted values may…

Q: LA population consist of 1, 2, 3 and a sample size of 2 will be taken without replacement.…

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Q: Based on a survey, the mean weekly allowance of the Grade 11 students of XZY University is ₱750.00…

A: Solution:- from given information mean μ=750 standard deviation σ=100assuming the weekly allowance…

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A drug is…

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Q: Assume that a sample is used to estimate a population proportion p. Find the 99% confidence interval…

A: Given,n=322x=48sample proportion(p^)=xnsample…

Q: 10. A lottery exists where balls numbered 1 to 23 are placed in an urn. To win, you must match the…

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Q: Define a(t) = In(1 + t3). If Bị is a Brownian motion, prove that there exists another Brownian…

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Q: Find the probability of getting a 4 of a kind hand when 5 cards are dealt from an ordinary deck.…

A: here in standard deck there are total 52  card  there are total 4 suit  and each suit have 13 card…

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A: From the given information: Proficiency Ease Not proficient Somewhat proficient Very proficient…

Q: 10. Entry to University of Limpopo is determined by a national test. The scores on this test are…

A: Given that Mean = 500 ,s.d =100 ,p value =0.70

Q: (a) The number of different four-number lock combinations is (Type an integer or fraction. Simplify…

A: here given, A certain four-cylinder combination lock has 35 numbers on it. To open it, you turn to a…

Q: (d) What sample size is necessary to estimate true average porosity to within 0.23 with 99%…

A: ( d ) For the given data Find n =?

Q: Precision racing pistons for a highperformance automobile engine need to have a diameter of 5 in.…

A: Given Let X be random variable which denotes the diameter of a piston. For accuracy to within 0.0001

Q: Problem 1: 1- Plot the p.d.f of Gamma(2, 2) and Gamma(3, 2) in the same plot. 2- Generate 1000…

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

Q: In a random sample of five people, the mean driving distance to work was 23.2 miles and the standard…

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Q: Find the normal curve areas of the following, then sketch the region that represents the area.   1.…

A: Required probability is P(0<Z<1.6)

Q: What is the EXPECTED COUNT for the cell that has 36 in it (Positive and High)?  The answer is an…

A: here given contingency table    high  intensity low intensity  total positive recognition 36 9…

Q: standard deviations are given in the accompanying table. Treatment n x s Uneaten figs 20 2.80 0.30…

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Q: o Involve collecting and organizing data o Involve analyzing the data o Allow the use of technology,…

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Q: . A recent survey of INTO Newcastle University students showed that 65% own an iPhone, 75% have a…

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Q: Assume that a procedure yields a binomial distribution with a trial repeated n=5n=5 times. Use some…

A: K~Bin(n=5, p=0.844)

Q: stion 0

A: No, the answer is 0.79

Q: recent study indicated that 29% of the 100 women over age 55 in the study were widows. A.) How large…

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Q: The time to fly between New York City and Chicago is uniformly distributed with a minimum of 120…

A: Given,A random variable X~U(120 , 150)f(x)=1150-120f(x)=130   ;   120≤X≤150

Q: The lengths of lumber a machine cuts are normally distributedwith a mean of 94 inches and a standard…

A: Given,sample size(n)=37mean(μ)=94standard deviation(σ)=0.6

Q: anufacturer knows that their items have a normally distributed lifespan, with a mean of 10.5 years,…

A: Given data,Mean μ=10.5sd    σ=3.2P(X>4)=?

Q: Let X1, X2, ..., X,m denote a random sample from the exponential density with mean 0j and let Y1,…

A: Given X1, X2, . . . , Xm be a random sample from an exponential density with mean θ1 and Y1, Y2, . .…

Q: In a test of hypothesis Ho: u = 88 versus Ha: u > 88 in a normally distributed population, the…

A: According to the given information in this question We need to identify the correct decision and…

Q: The second worksheet is the pdf of a random variable U, presented as a tabled probability…

A: From the provided information, u P(u) 0 0.3 1 0.1 2 0.1 3 0.1 4…

Q: Let Z be a random variable with the standard normal distribution. Find O P(-135 SZS2.15) • P(0.55…

A: Solution

Q: Nabisco, the maker of Chips Ahoy! Cookies claims that there are at least 1000 chocolate chips in…

A: Given : n = 42

Q: Q12. Identify the correct statement concerning, r the correlation coefficient between X and Y and…

A: Similarity between r the correlation coefficient between X and Y and the linear regression, Y = aX+b…

Q: In a test of hypothesis of the form Ho: u = 0 versus Ha: u > 0 using alpha (a) = .005, when the…

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Q: A wildlife researcher wants to know how many fish in a lake have been tagged by previous…

A: Given that  Standard deviation=σ=3 Margin of error=E=0.6