State whether the null hypothesis should be rejected on the basis of the given P-value: P-value=0.0170, α=0.02, one-tailed test

Q: If the ski lift manager chooses to use the p-value approach for his hypothesis test, what does he…

A: Test is that whether the average has increased in recent years.

Q: When conducting an upper-tailed hypothesis test, which of the following is the criterion to reject…

A: Decision rule for upper-tailed test: If test statistic > critical value, then reject the null…

Q: If the null hypothesis is rejected at a level of significance of 5%, then in some cases, it could be…

A: We have to find the statement is true or false..

Q: State the appropriate null and alternative hypothesis and find the critical value for a left-tailed…

A: Given Information: Significance level α = 0.10  Sample size (n) = 23 Population standard deviation σ…

Q: A doctor claims that less than 30 percent of all per-sons exposed to a certain amount of radiation…

A: From the given information: The estimate of the proportion that are exposed to radiation feel ill…

Q: In a hypothesis test with a = 0.05 the p-value is calculated to be 0.02. What decision should be…

A: we have find  decision.

Q: In a left-tailed test, if the p-value but the null hypothesis is true, we made a Type I error. |

A: Here use basic of type 1 error

Q: A newsletter publisher believes that 25%of their readers own a personal computer. Is there…

A: Given that  A newsletter publisher believes that 25%of their readers own a personal computer. Level…

Q: A statistical test of hypothesis produces the P-value P = 0.221.  Will the null hypothesis be…

A: Given,P-value=0.221level of significance (α)=0.10

Q: if the null hypothesis should be rejected and researchers reject it they have committed.? which of…

A: Type I error: The type I error is the rejection of the null hypothesis when it is actually true.…

Q: The p-value for a hypothesis test turns out to be 0.03197. At a 9% level of significance, what is…

A: The decision rule of the hypothesis testing is as follows: If p-value ≤ α, then reject the null…

Q: The mean repair bill of cars is greater than $110. A) Write the null and alternative hypotheses. B)…

A: In this question, we have a given statement, using that statement we have to find the null and…

Q: A researcher did a one-tailed one-sample t-test to test the hypothesis that babies prefer the color…

A:

Q: Lisa wants to determine if graduates from her collegeearn different incomes than do graduates from…

A: Let μ denotes the population mean income of the graduates from Lisa's college. The average income is…

Q: The government conducts a survey of the population and finds that 102 of 503 respondents report…

A: Given that,  Sample size 1, n1= 503  And X1= 102 Then P1= X1/n1  = 102/503 P1= 0.2028 Sample size 2,…

Q: Can you give me an example on how to write the null and alternative hypotheses and determine if each…

A: Basically, null hypothesis is the statement of a population parameter such as mean, proportion,…

Q: A very small p-value is strong evidence for the Ha (Alternative Hypothesis). Select one: True False

A:

Q: If you decided to use a one-tailed test and failed to reject the nul hypothesis, but found that the…

A: One-tailed test: It is a test used in testing of hypothesis. It indicates the chances of effect in…

Q: Match the Null Hypothesis to the mathmatical description:

A: Test is that whether the mean length of unemployment differs among the residents of two local…

Q: Suppose that you conduct three different t-tests to analyze the results of an experiment with three…

A: Given information Significance level of each independent sample α = 0.05 Probability of Making at…

Q: Calculate the p-value for a two-tailed hypothesis test with test statistic z = - 1.80 that

A: Given data is appropriate for testing of hypothesis.

Q: If p- value is greater than alfa, the null hypothesis is not rejected. True O False

A: The p-value measures the probability of getting a more extreme value than the one you got from the…

Q: Marco conducts a hypothesis test and calculates that his sample results have a p-value of .052, what…

A: Let us assume that level of significance, α=0.05 Given, p-value =0.052

Q: Find the P-value for the indicated hypothesis test with the given standardized test statistic, z.…

A: Given, two-tailed test with statistic                                             z=-1.85 and…

Q: If you use a 0.05 level of significance in a​ two-tail hypothesis​ test, what decision will you make…

A: Given  ZSTAT=-1.52, ɑ=0.05 Two tailed hypothesis

Q: Explain whether or not rejecting the null hypothesis makes the alternative hypothesis true and why.…

A: 1). It is known that null and alternative hypotheses are contradicting (opposite to) each other.…

Q: State the null hypothesis, Ho, and the alternative hypothesis, Ha, that would be used to test each…

A: (a) The null and alternative hypothesis is obtained below:                   The claim of test is…

Q: Use the given information to find the P-value. Also, use a 0.05 significance level and state the…

A: The p-value is obtained by using Excel.

Q: If P-value = 0.0684, α = 0.10, and two-tailed test. Therefore, reject the null hypothesis

A:

Q: Identify the null and alternative hypotheses for this test.

A: Test is that whether the percentage of females aged 15 and  older who live alone has changed from…

Q: The test statistic in a two-tailed test is z=−2.61. Determine the​ P-value and decide​ whether, at…

A: Given,Test statistic(z)=-2.61α=0.05and it's a two tailed test

Q: A newsletter publisher believes that over 54% of their readers own a personal computer. Is there…

A: The null hypothesis and the alternative hypothesis are given below:

Q: Which of the elements of a test of hypothesis can and should be specified prior to analyzing the…

A: In the field of statistics, a hypothesis is a claim about some aspect of a population. A hypothesis…

Q: 15. . When a p-value is high, this means there is strong evidence against the ull hypothesis А. Tre…

A: Since you have asked multiple questions, we will solve the first question for you . If  you want a…

Q: When the null hypothesis is true, the F test statistic is close to When the null hypothesis is…

A: F-statistics are the ratio of two variances that are approximately the same value when the null…

Q: The appropriate null hypothesis for a two-tailed, independent samples t-test is  ____________.

A: We have to find Ho.

Q: ​If, in a​ one-tail hypothesis test where H0 is only rejected in the upper​ tail, the…

A: Given, In a​ one-tail hypothesis H0 is only rejected in the upper​ tail  ​p-value=0.2047…

Q: Find the​ P-value for the indicated hypothesis test with the given standardized test​ statistic, z.…

A: From the provided information, The test is two tailed. The test statistic is z = -1.86 level of…

Q: 22. Researchers investigated whether a new process for producing yarn could reduce the mean amount…

A: Given that Researchers investigated whether a new process for producing yarn could reduce the mean…

Q: A manufacturer of potato chips would like to know whether it's bag filling machine works correctly…

A: Solution: From the given information, the bag filling machine works correctly at the 405 gram.

Q: The test satistic of z=-2.81 is obtaines when testing the claim that p=2/3. a. Using a significance…

A:

Q: When a result is not extreme enough to reject the null hypothesis, explain why it is wrong to…

A: The type II error occurs when the false null hypothesis is not rejected.

Q: The p-value for a hypothesis test turns out to be 0.00857. At a 8% level of significance, what is…

A: Decision rule using p-value : Reject null hypothesis (H0) if p-value less than significance level…

Q: The results from an independent-measures t hypothesis test are reported as "95% CI [-0.50, 1.30]."…

A: Confidence interval is an interval such that the probability of the unknown parameter to be included…

Q: Assess the evidence against the null hypothesis if the P-value of the hypothesis test is 0.062.

A:

Q: A newsletter publisher believes that 29% of their readers own a laptop. Is there sufficient evidence…

A: Let p be the proportion for readers own a laptop  Given p=29%=0.29, level of significance ɑ=0.05

Q: When is a researcher at risk of making a type 2 error?   whenever H0 is rejected  whenever H1 is…

A: When is a researcher at risk of making a type 2 error?   A type II error that describes the error…

Q: 1. Identify the test statistic for this hypothesis test  Round to two decimal places as needed 2.…

A: 1) The null and alternative hypotheses are given below. The sample proportion, p-cap is…

Q: WHen writing a null hypothesis for a two sample t test. Do you write U1 = U2 or U1 - U2 = 0? Or do…

A: WHen writing a null hypothesis for a two sample t test. Do you write U1 = U2 or U1 - U2 = 0? Or do…