Use the normal distribution and the given sample results to complete the test of the given hypotheses. Assume the results come from arandom sample and use a 5 % significance level.Test Ho: p=0.5 vs H, :p> 0.5 using the sample results=0.60 with = 75Round your answer for the test statistic to two decimal places, and your answer for the p-value to three decimal placestest statisticp-value iConclusion:Ho

Answer: From the given data, Sample size (n) = 75 Sample proportion (p^) = 0.60 The null and…

Answered: Use the normal distribution and the…

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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Use the Student's t distribution to find tc for a 0.95 confidence level when the sample is 3. (Round your answer to three decimal places.) USE SALT
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: µs 1210; a = 0.07; o=201.42. Sample statistics: x = 1231.33, n= 300 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: µs 1210 H3: µ> 1210 O B. Ho: µs 1231.33 Ha p> 1231.33 O D. H μ2 1210 O C. Ho: µ> 1231.33 Ha: us 1231.33 H3: µ 1210 Click to select your answer and then click Check Answer.
A sample mean, sample size, and population standard deviation are provided below. Use the one-mean z test to perform the required hypothesis test at the 1% signifigance level. Find the test statistic and p-value. Do we reject or fail to reject? x bar=17 n=36 standard deviation=6 Ho: mean=21 Ha: mean <21
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> 1270; α=0.02; a=214.81. Sample statistics: x= 1293.27, n=275 Identify the null and alternative hypotheses. Choose the correct answer below. OA. Ho: > 1270 H₂:μ≤ 1270 OB. Ho: 21270 Ha: H1270 C. Ho: H≤ 1270 Ha: H> 1270 OE. Ho: s1293.27 H₂:μ> 1293.27 Calculate the standardized test statistic. The standardized test statistic is 1.80. (Round to two decimal places as needed.) Determine the P-value. P= (Round to three decimal places as needed.) O D. Ho: > 1293.27 Ha: Hs 1293.27 OF. Ho: 21293.27 H₂:1293.27
Test the claim about the population mean, μ, at the given level of significance using the given sample statistics. Claim: μ=50; a=0.09; a=3.15. Sample statistics: x=48.6, n = 68 Identify the null and alternative hypotheses. Choose the correct answer below. OA. Ho: >50 OB. Ho: 50 H₂: H=50 = 50 OC. Ho: 50 Calculate the standardized test statistic. The standardized test statistic is. (Round to two decimal places as needed.) example Get more help. Η: μ OD. Ho: H=50 H₂: <50 F. Ho: H=50 Ha: H50 Clear all Final check
Dylan has collected 20 quarters and wants to compare the age of each coin to the age of all coins in the US. Select all the reasons why a z-test should not be used. Choose all that apply: 1. The sample standard deviation cannot be calculated 2. The sample size is >10 3. We do not have the population standard deviation 4. The sample size is <30 5. The population is <500
Test the claim about the population mean, µ, at the given level of significance using the given sample statistics. Claim: p= 30; a=0.06; o= 3.25. Sample statistics: x= 28.9, n= 73 %3D OF Ho H= 30 H3 p 30 Calculate the standardized test statistic. The standardized test statistic is -2.89 (Round to two decimal places as needed.) Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A. The critical values are t O B. The critical value is
This assignment is worth 1 points. The extra point will be added to your overall course grade. For example: if you receive an 88% in the course you can receive up to 1 point giving you a new score of 89%. The following rubric will be used. 0.25 point for drawing the normal distribution curve with the mean value labeled on the curve and the appropriate area shaded. 0.25 point for determining the value of the standard deviation of the sample mean. 0.5 point for finding the correct probability. All work must be shown in order to receive any credit. Please upload your completed assignment here. The length of time taken on the SAT for a group of students is normally distributed with a mean of 2.5 hours and a standard deviation of 0.25 hours. A sample size of n = 60 is drawn randomly from the population. Find the probability that the sample mean is between two hours and three hours.
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Decide whether the normal sampling distribution can be used. If it can be used, test the claim about the difference between two population proportions p1 and p2 at the given level of significance α using the given sample statistics. Assume the sample statistics are from independent random samples. Claim: p1=p2, α=0.10 Sample statistics: x1=142, n1=156 and x2=144, n2=188 Find the standardized test statistic. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
Use technology to help you test the claim about the population mean, μ, at the given level of significance, α, using the given sample statistics. Assume the population is normally distributed. Claim: μ>1290; α=0.02; σ=210.88. Sample statistics: x=1309.93, n=200 Identify the null and alternative hypotheses. Choose the correct answer below. A. H0: μ>1290 Ha: μ≤1290 B. H0: μ≥1290 Ha: μ<1290 C. H0: μ≤1290 Ha: μ>1290 D. H0: μ≥1309.93 Ha: μ<1309.93 E. H0: μ≤1309.93 Ha: μ>1309.93 F. H0: μ>1309.93 Ha: μ≤1309.93 Calculate the standardized test statistic. The standardized test statistic is nothing. (Round to two decimal places as needed.) Determine the P-value. P=nothing (Round to three decimal places as needed.) Determine the outcome and conclusion of the test. ▼ Reject Fail to reject H0. At the 2% significance level, there ▼ is not is enough…

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