MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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- K Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho: p=0.56 versus H₁: p<0.56 n = 150, x=78, α = 0.1 Is npo (1-P) ≥ 10? No Yes Use technology to find the P-value. P-value = (Round to three decimal places as needed.)arrow_forwardBig Sweets candy company is testing one of its machines in the factory to make sure it is producing more than 96% high-quality candy (Ho: P = 0.96; Ha: p > 0.96; a = 0.05). The test results in a p-value of 0.12. However, the company is unaware that it is actually producing 98% high-quality candy. What MOST likely happens as a result of the testing? O The company rejects Ho, making a Type I error. O The company fails to reject Ho, making a Type I error. O The company rejects Ho, making a Type II error. O The company fails to reject Ho, making a Type II error. O The company rejects Ho correctly.arrow_forwardTest the hypothesis using the P-value approach. Be sure to verify the requirements of the test. H0: p=0.81 versus H1: p≠0.81 n=500, x=390, a=0.01 find p valuearrow_forward
- Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho: p = 0.89 versus H₁: p=0.89 n = 500, x=440, α = 0.01 Is npo (1-Po) ≥ 10? Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) A. Yes, because npo (1 − Po) = 48.95 . B. No, because npo (1-Po) = Now find p. p= 0.88 (Type an integer or a decimal. Do not round.) Find the test statistic Zo. Zo = -0.72 (Round to two decimal places as needed.) Find the P-value. P-value= (Round to three decimal places as needed.)arrow_forwardTest the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho:p = 0.5 versus H,: p>0.5 n= 200; x = 120, a = 0.05 Use technology to find the P-value. P-value = (Round to three decimal places as needed.)arrow_forwardTest the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho: p= 0.65 versus H,: p<0.65 n= 150, x= 87, a = 0.1 Is npo (1- Po) 2 10? No Yes Use technology to find the P-value. P-value = (Round to three decimal places as needed.) %3Darrow_forward
- Can you help me with these please?arrow_forwardesc 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 uparrow_forwardState whether the standardized test statistic t indicates that you should reject the null hypothesis. Explain. (a) t =1.667 (b) t =0 (c) t= -1.552 (d) t= -1.705 (look at image below)arrow_forward
- Use technology to find the P-value for the hypothesis test described below. The claim is that for a smartphone carrier's data speeds at airports, the mean is µ = 16.00 Mbps. The sample size is n = 14 and the test statistic is t= -2.653. P-value= (Round to three decimal places as needed.) w an example D F2 W S X H mand # 3 Get more help. 80 F3 E D C $ 4 Q F4 R F O % 5 V e F5 T G ^ 6 B MacBook Air c F6 Y H & 7 N F7 U * 8 M DII FB I ( 9 K DD F9 O < ) O L command F10 P A. : ; Clear all I option F11 ww ? 1 + = 11 Check answer 4) F12 } 1 delete Iarrow_forwardMORE BENEFITS OF EATING ORGANIC Using specific data, we find a significant difference in the proportion of fruit flies surviving after 13 days between those eating organic potatoes and those eating conventional (not organic) potatoes. This exercise asks you to conduct a hypothesis test using additional data. In this case, we are testing Họ : Po = Pc Ha: Po > Pc where p, and p. represent the proportion of fruit flies alive at the end of the given time frame of those eating organic food and those eating conventional food, respectively. Use a 5 % significance level. Effect of Organic Bananas After 25 Days After 25 days, the proportion of fruit flies eating organic bananas still alive is 0.45 , while the proportion still alive eating conventional bananas is 0.42. The standard error for the difference in proportions is 0.029. What is the value of the test statistic? Round your answer to two decimal places. z = i What is the p-value? Round your answer to three decimal places. p-value = What…arrow_forwardTest the hypothesis using the P-value approach. Be sure to verify the requirements of the test. H0: p=0.4 versus H1: p>0.4 n=125; x=55, α=0.1arrow_forward
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