na hypothesis test, the p-value was calculated as 0.025. If the level of significance is, a = 0.05, what is the decision regarding the null hypothesis te Reject the null hypothesis.. O Do not reject the null hypothesis. No definitive conclusion can be made. In a hypothesis, p-value and level of significance has no relationship.

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A: purchase gum kept the money total student given four quarter 27 18 45 given $ 1 bill 17 32 49…

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A: Given  midterm that counts as 10% of his final grade, one class project that counts as 25% homework…

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A: Note: As per the guidelines, we are allowed to solve first three subparts when multiple subparts are…

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A:

Q: A website is trying to improve registration for first-time visiters by showing 1% of the 7520 total…

A: Given: P = 0.01 n = 7520 X = 64 Formula Used: Confidence Inerval = p ± Z*p(1-p)n

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A: 9.85. The sample size is 45, sample mean is 4.2 and population standard deviation is 4.2.

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A: Given that X and Y are independent random variables and U=X+Y.

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A: Given the joint pmf of the random variables X, Y and Z.

Q: Thanks to an initiative to recruit top students, an administrator at a college claims that this…

A: The given sample size is 11, sample mean is 118 and sample standard deviation is 9.

Q: Claim: The mean pulse rate​ (in beats per​ minute) of adult males is equal to 69.2 bpm. For a random…

A: Claim: The mean pulse rate​ (in beats per​ minute) of adult males is equal to 69.2 bpm. For a random…

Q: Name two limitations of this test.

A: 1). This test is effective for small frequencies.

Q: Assume both samples are SRS from the population of one-day-old male chicks. According to the stem…

A: Steam and leaf plot are used to visualize the data by splitting each observation as last digit in…

Q: An expert hits a target 95% of the time. What is the probability that the expert will miss the…

A: Given,P(An exper hits a target)=0.95

Q: In a state's lottery, you can bet $1 by selecting three digits, each between 0 and 9 inclusive. If…

A: Given In a state's lottery, you can bet $1 by selecting three digits, each between 0 and 9…

Q: A genetic experiment involving peas yielded one sample of offspring consisting of 430 green peas and…

A: The claim is that 23% of the offspring peas are yellow. The hypotheses are given below: Null…

Q: y = 1 a) Determine fylx-1,2-1(y) b) Determine fy|x-1(y) c) Determine fyz-1(y)

A:

Q: A group of health conscious researchers were interested in ways to lower blood pressure.  The study…

A: It is given that there are three intervention types on post-treatment blood pressure with each of 30…

Q: 1. For a random sample of 100 undergraduates, suppose the mean and standard deviation on the SAT…

A: There are two types of error exist in hypothesis testing. They are type 1 and type 2 error.  Type 1…

Q: In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to…

A: given data claim : p <0.20n = 6968x = 1327α = 0.01p^ = xn = 13276968 = 0.1904

Q: What is the maximum error one can expect to make with prob 0.90 when using the mean of a random…

A: Solution: Given that , n=64 Confidence level=0.90  1-α=0.90α=0.10and σ2=2.56 hence σ=1.6 Find margin…

Q: In the past, when elementary school children in a large city were screened, 25% were found to have…

A: The question is about hypo. testing Given : Popl. prop. of children found to have auditory defects (…

Q: n a study of the accuracy of fast food​ drive-through orders, one restaurant had 31 orders that were…

A: GIVEN DATA, X=31n=355p^=xn =31355 =0.0873α=0.10claim :p=0.10

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A: “Since you have posted multiple questions, we will provide the solution only to the first question…

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A: From the provided information, Number of observations (n) = 5 The table is a follow: x y 3 8…

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A: A recent poll indicates that 48% of all registered voters in America plan to vote for a specific…

Q: s in Excel please

A: State                Smoker                Non-Smoker Total Kentucky            47 176 223…

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A: Given information:   Lead Poisoning No Lead Poisoning Total Positive Venous Blood Test 445 244…

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A:

Q: 9.83 Toxic Mushrooms? Cadmium, a heavy metal, is toxic to ani- mals. Mushrooms, however, are able to…

A: The given sample size is 12, sum of the samples is 6.31, population standard deviation is 0.37.

Q: Test statistic = ? c. P-value = ? d. Reject/Accept null hypothesis ?

A: 14 a) first of all we have to construct null and alternative hypotheses as follows we know that null…

Q: Let x be a random variable that represents the weights in kilograms (kg) of healthy adult female…

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

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A: The table shows the number of hits a baseball player obtained in a game and their probabilities.

Q: is in the groove and makes both free throws. makes the first and then misses the second. misses the…

A: Given: Percentage of making free throws is 87% p=0.87 therefore q=1-p=1-0.87=0.13

Q: 5. Imagine you are a research officer in a secondary school. The school principal wishes to conduct…

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Q: Most cases of cervical cancer are linked to a few strains of the human papilloma virus (HPV). The…

A: From the provided information, n1=100p^1=0.24n2=100p^2=0.34 Level of significance (α) = 0.10

Q: In the trunk where there are 5 triangles, 3 circles and 2 rectangles. Performing extractions with…

A: given data  5 triangles 3 circles 2 rectangles ___________________ 10 total items

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A: given data  μ = 1550σ = 200normal distribution P(x>1410) = ?

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Q: mean 129.747 and standard deviation 0.87643 Determine the sample size required that will have an 80%…

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Q: If the prob density of a rv is given by f(x)=kx² 0<x<1 (and 0 elsewhere) find the value of k and the…

A:

Q: 4. A specific type of transistor is known to have a mean time to failure of 10,000 hours. a) What is…

A:

Q: In a study of 420,143 cell phone users, 130 subjects developed cancer of the brain or nervous…

A: given data claim : p ≠0.000340n = 420143x = 130p^ = xn = 130420143 = 0.000309

Q: Question 3 What is the expected value of x?

A:

Q: An article gave the following summary information for fracture strengths (MPa) of n = 196 ceramic…

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Q: The diameter of steel rods manufactured on two different extrusion machines is being investigated.…

A: Machine 1:Sample size, n1=15Sample mean diameter, x1=8.69The sample variances, s12=0.35Machine…

Q: A regression analysis involved 17 independent variables and 697 observations. The critical value of…

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Q: The housing market has recovered slowly from the economic crisis of 2008. Recently, in one large…

A: given data sample size (n) = 50sample mean ( x¯ ) = 8652sample standard deviatio (s) = 200399% ci…

Q: SMALLEST = .0567 ||| ||| 8 125 20 = .056 = .05670 LARGEST

A:

Q: ement below is the best explanation? ere is 90% confidence that 21% of the adult citizens of the…

A: Given n=2500 Pcap=0.21 ME=0.044 Alpha=1-0.90=0.10 90% confidence level