A null hypothesis states that p=.7, the observed sample proportion is p=.653 with a sample size of n=90. Determine the z-score. -0.97 0.92 -1.48 O 1.35
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- determine the standardized test statistic,z to test the claim about the population proportion p≥0.700 given n= 50 and p-cap = 0.612.Use technology to help you test the claim about the population mean, µ, at the given level of significance, a, using the given sample statistics. Assume the population is normally distributed. Claim: µ> 1250; a = 0.06; o=211.22. Sample statistics: x 1274.73, n 250 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: ps1274.73 O B. Ho: ps 1250 Ha: p> 1274.73 Ha p> 1250 O C. Ho: µ2 1274.73 Ha: p 1274.73 O F. Ho p> 1250 Ha ps 1250 Ha: us 1274.73 Calculate the standardized test statistic. The standardized test statistic is (Round to two decimal places as needed.) Determine the P-value.Describe the indicated sampling distribution model. Statistics from a weather center indicate that a certain city receives an average of 20 inches of snow each year, with a standard deviation of 4 inches. Assume that a Normal model applies. A student lives in this city for 4 years. Let y represent the mean amount of snow for those 4 years. Describe the sampling distribution model of this sample mean. OA N(20,1.00) O B. N(20, 4) O C. N(20, 2.00) O D. Binom(20, 4) OE. There is not enough infomation to describe the sampling distribution.
- Find the weighted estimate, p, to test the claim that p,Just the last part thank youFind the standardized test statistic, z, to test the claim that p,Use technology to help you test the claim about the population mean, p, at the given level of significance, a, using the given sample statistics. Assume the population is normally distributed. Claim: u>1170; a=0.07; o = 204.05. Sample statistics: x = 1200.26, n 300 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: H> 1200.26 O B. H, p> 1170 Ha: ps 1200.26 Ha us1170 O C. Ho: H21170 D. Ho ps 1170 Ha: µ 1170 O E. Ho: us 1200.26 OF Ho p2 1200.26 Ha: p> 1200.26 H3 p< 1200.26 Calculate the standardized test statistic. The standardized test statistic is. (Round to two decimal places as needed.ch Assume that you plan to use a significance level of a = 0.05 to test the claim that p₁ = P2. Use the given sample sizes and numbers of successes to find the pooled estimate p. Round your answer to the nearest thousandth. n₁ =677, n₂ = 3377 x₁ = 172, x₂=654 OA. 0.408 OB. 0.452 OC. 0.204 OD. 0.163 Et Time Remaining: 01:35:15 Snowing now O dx Next 12:20 PM 12/11/2022 C EThe height of women ages 20-29 is normally distributed, with a mean of 63.9 inches. Assume o = 2.5 inches. Are you more likely to randomly select 1 woman with a height less than 65.6 inches or are you more likely to select a sample of 16 women with a mean height less than 65.6 inches? Explain. Click the icon to view page 1 of the standard normal table. 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 65.6 inches? (Round to four decimal places as needed.) What is the probability of selecting a sample of 16 women with a mean height less than 65.6 inches? (Round to four decimal places as needed.) Are you more likely to randomly select 1 woman with a height less than 65.6 inches or are you more likely to select a sample of 16 women with a mean height less than 65.6 inches? Choose the correct answer below. A. It is more likely to select 1 woman with a height less than 65.6 inches because the probability…The claim is that weights (grams) of pennies made after 1983 have a mean equal to 2.500 g as required by mint specifications. The sample size is n = 37 and the test statistic ist = -0.331. Find the P value. Answer: The P value is (Round to four decimal places.)9:56 AM Sat Dec 19 * 67% +: 0 3) For the sample below, find the range, quartiles, interquartile range, and 5-number summary. 27, 28, 30, 31, 31, 32, 34, 36, 39, 41, 44, 45 2 19 >The height of women ages 20-29 is normally distributed, with a mean of 64.6 inches. Assumeo=2.7 inches. Are you more likely to randomly select 1 woman with a height less than 67.1 inches or are you more likely to select a sample of 8 women with a mean height less than 67.1 inches? Explain. E Click the icon to view page 1 of the standard normal table. 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 67.1 inches? (Round to four decimal places as needed.)SEE MORE QUESTIONSRecommended textbooks for youA First Course in Probability (10th Edition)ProbabilityISBN:9780134753119Author:Sheldon RossPublisher:PEARSON
A First Course in Probability (10th Edition)ProbabilityISBN:9780134753119Author:Sheldon RossPublisher:PEARSON