he test statistic of z = 2.26 is obtained when testing the claim that p > 0.24. This is a right-tailed test. Using a 0.01 significance level, complete parts (a) and (b). Click here to view the standard normal distribution table for negative z scores. Click here to view the standard normal distribution table for positive z scores. . Find the critical value(s). Select the correct choice below and fill in the answer box(es) within your choice. Round to two decimal places as needed.) A. There are two critical values; the lower critical value is and the upper critical value is B. There is one critical value; the critical value is . Should we reject H, or should we fail to reject Ho? OA. Ho should not be rejected, since the test statistic is in the critical region. OB. Ho should be rejected, since the test statistic is not in the critical region. OC. Ho should be rejected, since the test statistic is in the critical region. OD. Ho should not be rejected, since the test statistic is not in the critical region.

Assume the samples are random and independent, the populations are nomally distributed, and the population variances are equal. The table available below shows the prices (in dollars) for a sample of automobile batteries. The prices are classified according to battery type. At a = 0.10, is there enough evidence conclude that at least one mean battery price is different from the others? Complete parts (a) through (e) below. E Click the icon to view the battery cost data. (a) Let u1. P2. H3 represent the mean prices for the group size 35, 65, and 24/24F respectively. Identify the claim and state Ho and H. H Cost of batteries by type The claim is the V hypothesis. Group size 35 Group size 65 Group size 24/24F 101 111 121 124 D 146 173 182 278 124 140 141 89 (b) Find the critical value, Fo, and identify the rejection region. 90 79 84 The rejection region is F Fo, where Fo = (Round to two decimal places as needed.) (c) Find the test statistic F. Print Done F= (Round to two decimal places as…

The test statistic of z=0.91 is obtained when testing the claim that p>0.29. This is a right-tailed test. Using a 0.10 significance level, complete parts (a) and (b). Click here to view the standard normal distribution table for negative z scores. Click here to view the standard normal distribution table for positive z scores. a. Find the critical value(s). Select the correct choice below and fill in the answer box(es) within your choice. (Round to two decimal places as needed.) OA. There are two critical values; the lower critical value is B. There is one critical value; the critical value is and the upper critical value is

The height of women ages 20-29 is normally distributed, with a mean of 63.6 inches. Assume o = 2.5 inches. Are you more lrely to randomly select 1 woman with a height less than 64.1 inches or are you more likely to select a sample of 20 women with a mean height less than 64.1 inches? Explain. E Click the icon to view page 1 of the standard normal table. E Click the icon to view page 2 of the standard normal table. What is the probability of randomly selecting 1 woman with a height less than 64.1 inches? (Round to four decimal places as needed.) Enter your answer in the answer box and then click Check Answer. Check Answer Clear All parts 2 Femaining

The test statistic of z = -2.13 is obtained when testing the claim that p<0.15. a. Using a significance level of a = 0.01, find the critical value(s). b. Should we reject Ho or should we fail to reject Ho? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. Standard normal distribution table (page 1) a. The critical value(s) is/are z = (Round to two decimal places as needed. Use a comma to separate answers as needed.) NEGATIV E z Scores Standard Normal (2) Distribution: Cumulative Area from the LEFT 01 .02 03 04 05 06 07 08 09 -3.50 and 0001 lower -3.4 0003 .0003 0003 0003 0003 0003 .0003 .0003 0003 .0002 -3.3 0005 0005 0004 0004 .0004 0004 0004 0004 .0003 -3.2 0007 0007 0006 0006 0006 0006 0006 .0005 .0005 .0005 -3.1 0010 0009 0009 0009 0008 0008 .0008 0008 .0007 .0007 -3.0 0013 0013 0013 0012 0012 .0011 0011 .0011 .0010 .0010 -2.9 0019 0018 0018 0017 0016 0016 0015 0015 .0014 0014 -2.8 0026 0025…

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What are the values for SS and variance for the following sample of n = 3 scores? Sample:  8, 5, 2

kshe The height of women ages 20-29 is normally distributed, with a mean of 64.6 inches. Assume o = 2.9 inches. Are you more likely to randomly select 1 woman with a e score les (fo height less than 66.4 inches or are you more likely to select a sample of 30 women with a mean height less than 66.4 inches? Explain. E . Click the icon to view page 1 of the standard normal table. signme ee score A Click the icon to view page 2 of the standard normal table. radeboc What is the probability of randomly selecting 1 woman with a height less than 66.4 inches? e score mail O (Round to four decimal places as needed.) What is the probability of selecting a sample of 30 women with a mean height less than 66.4 inches? Text (Round to four decimal places as needed.) Accessibl Resource Are you more likely to randomly select 1 woman with a height less than 66.4 inches or are you more likely to select a sample of 30 women with a mean height less than 66.4 inches? Choose the correct answer below. Tools…

A 0.1 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender​ selection, the proportion of baby girls is less than 0.5. Assume that sample data consists of 78 girls in 169 ​births, so the sample statistic of 613 results in a z score that is 1 standard deviation below 0. Complete parts​ (a) through​ (h) below.Click here to view page 1 of the Normal table. LOADING...  Click here to view page 2 of the Normal table. LOADING...Question content area bottomPart 1a. Identify the null hypothesis and the alternative hypothesis. Choose the correct answer below.A.H0​: p≠0.5H1​: p<0.5B.H0​: p=0.5H1​: p≠0.5C.H0​: p=0.5H1​: p<0.5D.H0​: p=0.5H1​: p>0.5Part 2b. What is the value of α​?α=enter your response here ​(Type an integer or a​ decimal.)Part 3c. What is the sampling distribution of the sample​ statistic? Normal distribution Student​ (t) distribution χ2Part 4d. Is the test​ two-tailed, left-tailed, or​ right-tailed? Right​-tailed…

A 0.01 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender​ selection, the proportion of baby girls is different from 0.5. Assume that sample data consists of 55 girls in 100 ​births, so the sample statistic of 1120 results in a z score that is 1 standard deviation above 0. Complete parts​ (a) through​ (h) below.Click here to view page 1 of the Normal table. LOADING...  Click here to view page 2 of the Normal table. LOADING...Question content area bottomPart 1a. Identify the null hypothesis and the alternative hypothesis. Choose the correct answer below.A.H0​: p=0.5H1​: p≠0.5B.H0​: p=0.5H1​: p>0.5C.H0​: p=0.5H1​: p<0.5D.H0​: p≠0.5H1​: p=0.5Part 2b. What is the value of α​?α=enter your response here ​(Type an integer or a​ decimal.)Part 3c. What is the sampling distribution of the sample​ statistic? χ2 Normal distribution Student​ (t) distribution