Find the critical value(s) and rejection region(s) for the indicated t-test, level of significance a, and sample size n. Left-tailed test, a=0.10, n=16 Click the icon to view the t-distribution table. ..... The critical value(s) is/are
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- An education researcher claims that at most 3% of working college students are employed as teachers or teaching assistants. In a random sample of 400 working college students, 5% are employed as teachers or teaching assistants. At a = 0.10, is there enough evidence to reject the researcher's claim? Complete parts (a) through (e) below. Ha: p Ha: p (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. Zo (Round to two decimal places as needed. Use a comma to separate answers as needed.) Identify the rejection region(s). Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to two decimal places as needed.) A. The rejection region is C. The rejection region is z (c) Find the standardized test statistic z. z= (Round to two decimal places as needed.) (d) Decide whether to reject or fail to reject the null hypothesis and (e) interpret the decision in the context of the original claim. V…We have this situation: Ho: H = 100 Hạ: H > 100 a = 0.05 n = 32 %3D What critical value forms the rejection region? O z = 1.645 O z = 1.960 O t= 1.960 O t = 1.645(b) Find the critical values) and identify the rejection region(s).
- Show that the acute angle 0 between the least square regression lines is given by 1- p O20y tan 0 lel o+ a Discuss the cases when p =0 and p = +1.An education researcher claims that at most 3% of working college students are employed as teachers or teaching assistants. In a random sample of 600 working college students, 5% are employed as teachers or teaching assistants. At α=0.01, is there enough evidence to reject the researcher's claim? Complete parts (a) through (e) below. (a) Find the critical value(s) and identify the rejection region(s). Z0=_________ (b) Identify the critical value(s) for this test ________ A.) The rejection regions are z < ___and z > ____ B.) The rejection region is z > _______ C.) The rejection region is _____< z < _____ D.) The rejection region is z < _____ (c) Decide whether to reject or fail to reject the null hypothesis and (d) interpret the decision in the context of the original claim.An education researcher claims that at most 6% of working college students are employed as teachers or teaching assistants. In a random sample of 300 working college students, 7% are employed as teachers or teaching assistants. At a = 0.05, is there enough evidence to reject the researcher's claim? Complete parts (a) through (e) below. (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. Zo = 1.64 (Round to two decimal places as needed. Use a comma to separate answers as needed.) Identify the rejection region(s). Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to two decimal places as needed.) O A. The rejection region is z> .06 B. The rejection region is z O D. The rejection region isWe wish to test an effect of a drug that claimed to improves the patients with 80% of chance. The drug is given to 20 patients and we observed the number Y of people who improved. The hypothesis is Ho :p = 0.8 vs Hị : p< 0.8. Use the rejection region RR = {y< 12} and answer question a-e.Find the critical value zα/2 that corresponds to α=0.03.Question content area bottomPart 1zα/2=enter your response here(Round to two decimal places as needed.)Is there a difference among the 3 treatments in the table below? Test using α = .05 Treatment A Treatment B Treatment C 2 3 2 ∑X2 = 280 2 3 4 G = 60 3 4 5 N = 15 3 5 6 k = 3 5 5 8 SS1 = 6 SS2 = 4 SS3 = 20 What is the value of the critical F boundary? (from the tables)We wish to test an effect of a drug that claimed to improves the patients with 80% of chance. The drug is given to 20 patients and we observed the number Y of people who improved. The hypothesis is: H0 : p = 0.8 vs H1 : p < 0.8. Use the rejection region RR = {y ≤ 12} and answer question a-e. a) State type I error in terms of Y and p. b) Find α. c) State type II error in terms of Y and p. d) Find β when p = 0. e) Find β when p = 0. f) Find the rejection region {y ≤ c} with α ≈ 0. g) For the rejection region in f), find β when p = 0. h) For the rejection region in f), find β when p = 0.(b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test.SOLVE ONLY 3-5SEE MORE QUESTIONS