Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho: p= 0.5 versus H1: p> 0.5 n= 125; x= 68, a = 0.1 Is npo (1- Po) 2 10? Yes No Use technology to find the P-value. P-value =| (Round to three decimal places as needed.)

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You may need to use the appropriate technology to answer this question. Consider the following hypothesis test. Ho: u 2 90 H:µ < 90 A sample of 100 is used and the population standard deviation is 12. Compute the p-value and state your conclusion for each of the following sample results. Use a = 0.01. (a) x = 88.5 Find the value of the test statistic. Find the p-value. (Round your answer to four decimal places.) p-value = State your conclusion. O Do not reject Ho: There is sufficient evidence to conclude that u < 90. O Do not reject Ho. There is insufficient evidence to conclude that u < 90. O Reject Ho. There is insufficient evidence to conclude that µ < 90. O Reject Ho. There is sufficient evidence to conclude that u < 90. (b) x = 87 Find the value of the test statistic. Find the p-value. (Round your answer to four decimal places.) p-value = State your conclusion. O Do not reject H. There is sufficient evidence to conclude that u < 90. O Do not reject Ho. There is insufficient…

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Q6

State whether the standardized test statistic t indicates that you should reject the null hypothesis. Explain. (a) t = -2.272 (b) t = 2.154 (c) t = 2.303 (d) t= -2.301 -to = -2.226 to = 2.226

Canon says their standard ink cartridges should print an average of 1062 pages before needing to be replaced, but Lexmark wants to prove that it is actually less than that. They take a sample of 70 identical printers with Canon ink cartridges and find the mean number of pages printed was 1041. .05, does Lexmark have enough evidence to say that Canon's claim is false? 59 and a Using s

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esc DATAfile: Business Travel (a) 66°F Mostly sunny ? Current Year You may need to use the appropriate technology to answer this question. The Global Business Travel Association reported the domestic airfare (in dollars) for business travel for the current year and the previous year. Below is a sample of 12 flights with their domestic airfares shown for both years. 345 526 420 216 285 405 635 710 605 517 570 610 2 Ho: H0 Ha: μ = 0 Hod=0 HO Previous Year 315 463 462 206 275 432 585 650 545 547 Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period. Ho: Maso Ha: Ho # 508 580 3 $ 4 C f5 % 5 11 f6 T 4- 6 ♫+ & 104 Toldys 7 fg 144 fg savet 10 00 hp DII ✔ Ge f10 DDI 0 ...OCE a Dece* 12. insert P 4 prt sc *** ** CEN ELE L+ TUES delete backspace { home num lock end D 7 home 5:39 PM 10/9/2022 pg up سلام و pg dn ng up

A test is made of: Ho u=6 versus H₁: 6 Part: 0/3 Part 1 of 3 (a) The test statistic is z=0.63. Find and interpret the P-value. Round your answer to at least 4 decimal places. The P-value is P= X