Find the​ P-value for a​ left-tailed hypothesis test with a test statistic of z=−1.74. Decide whether to reject H0 if the level of significance is α=0.05.     ​P-value= ​(Round to four decimal places as​ needed.)   State your conclusion. Choose the correct answer below.   a.Since P>α​, fail to reject H0.   b.Since P≤α​,reject H0.   c.Since P≤α​, fail to reject H0.   d.Since P>α​, reject H0.

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A: Solution: Given information: Test statistic: z = 1.82 Claim: p≠0.674 To test the hypothesis…

Q: The test statistic of z=1.01 is obtained when testing the claim that p0213. a. Identify the…

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Q: Which of the following is the hypothesis test to be conducted? O A. Ho: p>0.5 O B. Ho: p=0.5 H:…

A:

Q: Find the P-value for a left-tailed hypothesis test with a test statistic of z = - 1.33. Decide…

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Q: The test statistic of z 2.00 is obtained when testing the claim that p 0.639. a Identify the…

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Q: Find the P-value for a left-tailed hypothesis test with a test statistic of z= -1.70. Decide whether…

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Q: A researcher conducts a two-tailed hypothesis test with an alpha of 0.05 and obtains a z statistic…

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Q: d in testing if this sample provides evidence that the proportion of Americans who are dissatisfied…

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Q: The test statistic of Z equals 1.52 is obtained when testing the claim that p> 0.8 A identity…

A: Z=p-p^p^(1-p^)n=1.52α=0.05

Q: Find the P-value for a left-tailed hypothesis test with a test statistic of z= - 1.77. Decide…

A:

Q: The test statistic of z 0.77 is obtained when testing the claim that p> 0.7. a. Identify the…

A: Claim: p > 0.7 Z = 0.77

Q: Find the​ P-value for a​ left-tailed hypothesis test with a test statistic of z=−1.42. Decide…

A: P( z < -1.42 ) = NORMSDIST( -1.42) ------ Excel function                      = 0.0778…

Q: A random sample of 100100 observations from a population with standard deviation 8.238.23 yielded a…

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Q: In the last mayoral election in a large city, 53% of the adults over the age of 65 voted Republican.…

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Q: Suppose you test the claim that people (on average) spend less than 10 seconds washing their hands,…

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Q: Find the P-value for a left-tailed hypothesis test with a test statistic of z = - 2.00. Decide…

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Q: A law enforcement agent believes that at least 84% of the drivers stopped for speeding on Saturday…

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Q: e the given information to complete parts​ (a) and​ (b) below.   Original​ claim: More than 54​% of…

A: The hypothesis regarding the population proportion will be: H0:p=0.54H1: p > 0.54

Q: A well-known brokerage firm executive claimed that at least 55 % of investors are currently…

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Q: Assume a significance level of a= 0.05 and use the given information to complete parts (a) and (b)…

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Q: Find the P-value for a left-tailed hypothesis test with a test statistic of z = - 1.55. Decide…

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Q: Find the​ P-value for a​ left-tailed hypothesis test with a test statistic of z=−1.96. Decide…

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Q: In a hypothesis test with hypotheses H.:H2 74 and H,: < 74 a random sample of 20 elements selected…

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Q: Previously, an organization reported that teenagers spend 4.5 hours per week, on average, on the…

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Q: A random sample of 100 observations from a population with standard deviation 17.25 yielded a sample…

A: Hey there.! thank you for posting your question. Hope you’re doing well. Since you have posted…

Q: The records of a casualty insurance company show that, in the past, its clients have had a mean of…

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Q: Q10 = In a one-tailed hypothesis test with a sample size of 300, the test statistic is determined to…

A: we have given that  sigma is known then we use z-test  a) n=300 ,z=1.53  b) n=300 , z=2.21

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Q: A change is made that should improve student satisfaction with the parking situation at your school.…

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Q: An Internet provider is trying to gain advertising deals and claims that the mean time the…

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Q: Consider the following hypothesis test. H0: ? ≤ 12 Ha: ? > 12 A sample of 25 provided a sample mean…

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Q: The test statistic of z = 0.54 is obtained when testing the claim that p> 0.5. Identify the…

A: Given Information: z = 0.54

Q: Find the​ P-value for a​ left-tailed hypothesis test with a test statistic of Z=−1.65. Decide…

A: Since the test is left tailed test.

Q: Find the P-value for a left-tailed hypothesis test with a test statistic of z = - 1.53. Decide…

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.