AGE MINDTAPhapter 7 and 9 HomeworkConsider the following hypothesis test:Hạ: p2 0.75H: p< 0.75A sample of 300 items was selected. Compute the p-value and state your conclusion for each of the following sample results. Use a =.05.Round your answers to four decimal places.a. p=0.64p-valueConclusion:p-value less than or equal to 0.05, rejectНаb. p0.75P-valueConclusion:p-value greater thán 0.0s, do nat rejectНаCp-0.7p-valueConclusion:pvalue less than or equal to 0.05, rejectd. p 0.77PvalueConclusion:value oreater than O.05, de not rejectPartially Correct

Solution: a. State the hypotheses. Null hypothesis: Alternative hypothesis: Rejection rule: If…

Answered: AGE MINDTAP hapter 7 and 9 Homework…

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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In 1992 a national vital statistics report indicated that about 2.3% of all births produced twins. Is the rate of twin births the same among very young mothers? Data from a large city hospital found only 7 sets of twins were born to 455 teenage girls. Test an appropriate hypothesis and state your conclusion. Be sure the appropriate assumptions and conditions are satisfied before you proceed. Are the assumptions and the conditions to perform a one-proportion z-test met? ... No Yes State the null and alternative hypotheses. Choose the correct answer below. A. Ho: p=0.023 HA: P >0.023 B. Ho: p=0.023 HA: P = 0.023 C. Ho: p=0.023 HA: P<0.023 D. The assumptions and conditions are not met, so the test cannot proceed. Determine the z-test statistic. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. Z= (Round to two decimal places as needed.) OB. The assumptions and conditions are not met, so the test cannot proceed.
(i) Find the P-value. Round the answer to at least four decimal places. (ii) Make the decision. (iii) Summarize the results
HW SIXTEEN
Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. H0: p=0.87 versus H1: p≠0.87 n=500, x=430 , a=0.1
you did not answer this Let p be the true proportion of firms with a chief marketing officer currently on their top management team. To conduct the hypothesis test, the null and alternative hypotheses are formulated as: H₀: p̄ p̄ = 0.42'; Haa: p̄ p̄ ≠ 0.42 H₀: p ≥ 0.42; Haa: p < 0.42 H₀: p = 0.42; Haa: p ≠ 0.42 H₀: p ≤ 0.42; Haa: p > 0.42 If the null hypothesis is true, the sampling distribution of the sample proportion p̄ p̄ can be approximated by a _____ with a mean ______ and a standard deviation of ____ . The test statistic is _____ .
Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. H0: p=0.72 versus H1: p≠0.72 n=500, x=350, a=0.01
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.)
Resources One company's bottles of grapefruit juice are filled by a machine that is set to dispense an average of 180 mnllinters (i) Or iguid. A quality-control inspector must check that the machine is working properly. The inspector takes a random sample of 40 bottles and measures the volume of liquid in each bottle. What are the appropriate hypotheses for performing this significance test? Ho: = 180; H, # 180, where = the true mean volume of liquid dispensed by the machine. Ho: x = 180; H. # 180, where x = the sample mean volume of liquid dispensed by the machine. Ho = 180; H 180, where = the true mean volume of liquid dispensed by the machine. Ho: x = 180; H: x < 180, where x = the sample mean volume of liquid dispensed by the machine. O O
Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. H0: p=0.79 versus H1: p≠0.79 n=500, x=390, a=0.01
Types of Error: E In a certain population, the mean mu is 45. There are one thousand statisticians, and none of them know what mu is. Each statistician takes a simple random sample from this population, and each one uses his/her sample to perform the following two-sided test: H0: mu = 42 Ha: mu != 42 The plan is to reject the Null Hypothesis if the P-value is less than 0.05. How many of the statisticians will commit a Type-I error? Group of answer choices ( ) About half of them ( ) None of them. ( ) All of them. ( ) About 50 of them ( ) About 100 of them.

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