Consider the null hypothesis Ho: p = 0.65. Suppose a random sample of 1000 observations is taken toperform this test about the population proportion. Using a = 0.05, show the rejection and nonrejectionregions and find to 2 decimal places the critical value(s) of z for aa. left-tailed testZb. two-tailed test (write your answers in ascending order)Zic.right-tailed testZor z

Consider the null hypothesis Ho: p = 0.65. Suppose a random sample of 1000 observations is taken t perform this test about the population proportion. Using a = 0.05, show the rejection and nonreject egions and find to 2 decimal places the critical value(s) of z for a a. left-tailed test . two-tailed test (write your answers in ascending order) c.right-tailed test i or z

Consider the null hypothesis Ho: p = 0.65. Suppose a random sample of 1000 observations is taken t perform this test about the population proportion. Using a = 0.05, show the rejection and nonreject egions and find to 2 decimal places the critical value(s) of z for a a. left-tailed test . two-tailed test (write your answers in ascending order) c.right-tailed test i or z

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho: p = 0.4 versus H₁: p > 0.4 n = 125; x = 55; x = 0.05 Click here to view page 1 of the table. Click here to view page 2 of the table. Calculate the test statistic, Zo. = Zo 0.91 (Round to two decimal places as needed.) Identify the P-value. P-value = (Round to three decimal places as needed.)
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14 A study was done using a treatment group and a placebo group. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. Use a n 0.10 significance level for both parts. X a. Test the claim that the two samples are from populations with the same mean. What are the null and alternative hypotheses? OA. Ho: H₁ H₂ H₁: H₁ H₂ OC. Ho: H=H2 H₁: H₁ H₂ The test statistic, t, is (Round to two decimal places as needed.) The P-value is. (Round to three decimal places as needed.) State the conclusion for e test. GELER OB. Ho: H1 H2 H₁: Hy > H₂ Treatment Placebo Hy 1/2 OD. Ho: H₁ H₂ H₁: Hy
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Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. H0: p=0.7 versus H1: p>0.7 n=200; x=150; α=0.05 Click here to view page 1 of the table. LOADING... Click here to view page 2 of the table. LOADING... Calculate the test statistic, z0. z0=nothing (Round to two decimal places as needed.) Identify the P-value. P-value=nothing (Round to three decimal places as needed.) Choose the correct result of the hypothesis test for the P-value approach below. A. Do not reject the null hypothesis, because the P-value is less than α. B. Do not reject the null hypothesis, because the P-value is greater than α. C. Reject the null hypothesis, because the P-value is greater than α. D. Reject the null hypothesis, because the P-value is less than α.
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What is the critical t score if you are testing a one-tailed hypothesis, α level of .05 with df = 36? a. 1.671 b. 2.026 c. 2.028 d. 1.697
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Find the test statistic, t, to test the hypothesis that u, u,. Two samples are randomly selected and come from populations that are normal. The sample statistics are given below. Round to three decimal places. n= 11 n2 = 18 X =6.7 X2 = 7.1 S1=0.76 S2 = 0.51 O A. - 1.546 B. -1.821 C. - 2.123 S D. -1.326 eting Click to select your answer. Type here to search hp 立

Q1.2 Mean of X A medical practice collects data on its patients with respect to several personal habits. The following table gives the distribution of the number of alcoholic drinks consumed per day in that population of patients. X = # of drinks per day Probability Save Answer Q1.3 Variance of X X = # of drinks per day Probability 0 0.38 Find the mean for this random variable, that is find ux. Show your work in the space below. Save Answer A medical practice collects data on its patients with respect to several personal habits. The following table gives the distribution of the number of alcoholic drinks consumed per day in that population of patients. 0 0.38 Q1.4 Standard Deviation of X X = # of drinks per day Probability 1 0.32 0 0.38 1 0.32 2 0.25 Find the variance for this random variable, that is find (ox)². Only show the first and last term of the work required. 1 2 0.25 A medical practice collects data on its patients with respect to several personal habits. The following table…
Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. H0: p=0.8 versus H1: p>0.8 n=250; x=215; α=0.1 Click here to view page 1 of the table. LOADING... Click here to view page 2 of the table. LOADING... Calculate the test statistic, z0. z0=nothing