a. Calculate the test statistic.x²Round to two decimal places if necessaryb. Determine the critical value(s) for the hypothesis test.c. Conclude whether to reject the null hypothesis or not based on the test statistic.O RejectSearch1.SAMSUNGSUBMIT QUESTIONSAVE PROGRESS→SUBMIT A phone company plans on offering their new smartphone in four colours: white, black,silver and rose gold. They anticipate that 30% of shoppers will prefer white, 35% willprefer black, 20% will prefer silver and 15% will prefer rose gold. They perform marketresearch by asking a random sample of 350 potential customers which colour theyprefer.ColourFrequencyChi Square Distribution TableWhite96SearchBlack129Can the company conclude that their expected distribution was accurate using a 0.5%level of significance?SAMSUNGSUBMIT QUESTIONSilver88nRose Gold37SAVE PROGRESSSUBM

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Answered: a. Calculate the test statistic. x²…

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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b. Identify the test statistic for this hypothesis test. c. Identify the P-value for this hypothesis test.
Use technology to find the P-value for the hypothesis test described below.The claim is that for a smartphone carriers data speeds at airports, the mean is 12.00 Mbps. The sample size is n=21 and the test statistic is t=-1.149. Find the P-value. (Round to three decimal places as needed.)
Choose the correct answer.If the P-value of a test of significance is 0.999 then:A. the null hypothesis should be rejected.B. the null hypothesis should not be rejected.C. the alternative hypothesis provides a plausible explanation of the data.D. Both A and C are true.
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 u= 16.00 Mbps. The sample size is n= 27 and the test statistic is t= 1.833. P-value = (Round to three decimal places as needed.)
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 u = 16.00 Mbps. The sample size is n = 19 and the test statistic is t= 1.798. P-value = (Round to three decimal places as needed.)
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 equal 15.00 Mbps. The sample size is nequals28 and the test statistic is zequalsnegative 1.395. P-value= (Round to three decimal places as needed.)
The critical boundaries for a hypothesis test are z = +1.96 and -1.96. If the z-score for the sample data is z =-1.90, what is the correct statistical decision? Reject H0 Fail to reject H1 Reject H1 Fail to reject H0
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 u = 15.00 Mbps. The sample size is n = 20 and the test statistic is t= 2.079. P-value = (Round to three decimal places as needed.)
Use technology to find the P-value for the hypothesis test described below. The claim is that for 12 AM body temperatures, the mean is mu greater than 98.6 degrees F. The sample size is n equals 8 and the test statistic is t equals 1.349. P-value equals (Round to three decimal places as needed.)
dentify the type I error and the type II error for a hypothesis test of the indicated claim. The percentage of households with more than 1 pet is less than 65%. Identify the type I error. Choose the correct answer below. A. Reject the null hypothesis that the percentage of households with more than 1 pet is less than 65% when it is actually true. B. Fail to reject the null hypothesis that the percentage of households with more than 1 pet is less than 65% when it is actually false. C. Reject the null hypothesis that the percentage of households with more than 1 pet is greater than or equal to 65% when it is actually true. D. Fail to reject the null hypothesis that the percentage of households with more than 1 pet is greater than or equal to 65% when it is actually false. Identify the type II error. Choose the correct answer below. A. Fail to reject the null hypothesis that the percentage of households with more than 1 pet is greater…
Use technology to find the P-value for the hypothesis test described below. The claim is that for 12 AM body temperatures, the mean is μ > 98.6 °F. The sample size is n = 3 and the test statistic is t = 1.234.
Use technology to find the P-value for the hypothesis test described below. The claim is that for 12 AM body temperatures, the mean is mu greater than 98.6 degrees F. The sample size is n equals 5 and the test statistic is t equals 1.486. P-value equals (Round to three decimal places as needed.)

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a. Calculate the test statistic. x² Round to two decimal places if necessary b. Determine the critical value(s) for the hypothesis test. c. Conclude whether to reject the null hypothesis or not based on the test statistic. O Reject Search SUBMIT QUESTION SAVE PROGRESS >