In a test of H0: p = 0.4 against H1: p ≠ 0.4, a sample of size 100 produces Z = 1.28 for the value of the test statistic. Thus the p-value (or observed level of significance) of the test is approximately equal to:

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Q: at 5% significance level Họ HZ HO; Ho iH < HO If the test statistic calculated to test the…

A: NOTE: As per the guidelines, we are supposed to solve one question only. Kindly repost other as…

Q: A researcher conducts a hypothesis test using a sample of n=20 with M =34 and s^2=36 from an unknown…

A: Here, the known values are n=20 with M =34 and s2=36.

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Q: test H0​: μ=40 versus H1​: μ<40​, a random sample of size n=25 is obtained from a population that…

A: H0 : ? =40 H1 : ? &lt;40 Population mean = ? = 40 Sample S.D = s =14.8 Sample size = n =25…

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A: 2. The sample proportion for non-seatbelt wearing passengers is, p^N=xNnN=34335=0.1015 The sample…

Q: In a test of Ho:u data yielded the test statistic z = 2.17. Find the p-value for the test. = 100…

A: Here, the test statistic value is 2.17 and the test is two-tailed.

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A: The hypotheses are given below:

Q: In a test of Ho: µ = 100 against Ha: µ 100, a sample of size 80 produces z = 0.8 for the value of…

A: Given: z =0.8 The null and alternative hypothesis are: H​0​​: μ=100 H​a​​: μ≠100 It is a two tailed…

Q: In a test of H0: µ=150 against HA: µ&lt;150, a sample of size 250 produces Z = -0.65 for the value…

A: The z statistic value is –0.65. Step-by-step procedure to obtain the p-value using standard normal…

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A: Give Information:

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A: Given  n1=120, sample mean x̄1=62.7, s1=2.5, n2=150, sample mean x̄2=61.8, s2=2.62

Q: The test statistic of z = - 1.73 is obtained when testing the claim that p = 1/2. a. Using a…

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A: Given: Test Statistic = 2.201 P-value = 0.027

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Q: In a test of H0: µ=75 against HA: µ&lt;75, a sample of size 450 produces Z = -1.19 for the value of…

A: The test statistic is given by –1.19.

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A: The Formula for z value is : z=Xˉ1−Xˉ2- (μ1-μ2)σ12n1+σ22n2

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A: The test statistic is given by t = 0.37 Smaller sample size n = 28 Level of significance = 0.05

Q: Match the p-values with the appropriate conclusion: 1. 0.00017 II. 0.0219 I. 0.0613 IV. 0.5428 (a)…

A: Match the p-values with the appropriate conclusion:l. 0.00017 II. 0.0219 Ill. 0.0613 lv. 0.5428…

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A: a) The alternative hypothesis is H0:p≠0.51.

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A: The hypothesized proportion is 0.53.

Q: For a two-sided test of hypothesis of a single parameter with population variance known, for a given…

A: Given,test statistic(Z)=1.8α=0.05Zα2 =1.96And the given test is two tailed test.

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Q: In a test of H0:p=0.4 against Ha:p≠0.4, a sample of size 100 produces z=1.28 for the value of the…

A:

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Q: In a test of H0: µ=10 against HA: µ&lt;10, a sample of size 100 produces Z = -2.01 for the value of…

A: Given HypothesisH0: µ=10HA: µ&lt;10Sample size n =100Z = -2.01The p-value corresponding to z = -2.01…

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Q: Question 9 What is the value for the t test statistic? O 0.673 O 2.673 O 3.673 O 1.673 Question 10…

A: The given results are, Control:M=64.1,SS=5468,n=10, and Meditative Breather:M=71.6,SS=5724,n=10.