Homework Answers
a)
test statistic : z-statistic
b)
type I error is 0.05
c)
this is right tailed test,
critical value = 1.64
d)
Test statistic,
z = (pcap - p)/sqrt(p * (1-p)/n)
z = (0.277 - 0.24)/sqrt(0.24*0.76/130)
z = 0.99
e)
p-value = 0.1611
f)
As p-value > 0.05, fail to reject H0
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Part 2: You MUST SHOW YOUR WORK TO GET ANY CREDIT A. Problem 1 Consider the...
please show your work...................... 14. a. Probability of making a Type I error b. Probability of...
please show your work......................
14. a. Probability of making a Type I error b. Probability of making a Type Il error c. Probability of rejecting Ho when you are supposed to d. Probability of not rejecting Ho when you shouldn't. Which of the following probabilities is equal to the significance level a? 15. If we reject the null hypothesis when it is false, then we have committed a. a Type ll error b. a Type l error both a Type...
Consider the following hypotheses. Ho: P = 0.43 H:P*0.43 Given that p = 0.32, n =...
Consider the following hypotheses. Ho: P = 0.43 H:P*0.43 Given that p = 0.32, n = 160, and a = 0.10, answer the following questions. a. What conclusion should be drawn? b. Determine the p-value for this test. a. Determine the critical value(s) of the test statistic. za
I need the Z and P-value also part B answered. Double-check your work as I don't...
I need the Z and P-value also part B answered. Double-check your
work as I don't know but I managed to get this wrong a few times.
Thank you!
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?
b) Use technology to determine the? p-value for
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Consider the hypotheses shown below. Given that x = 106, o = 25, n = 43,...
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I need help understanding this problem. If it can be done on a Ti84 calculator, please show...
I need help understanding this problem. If it
can be done on a Ti84 calculator, please show how that can be done
as this will help me out the most. If not, please show
work and explain. Thank you!
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Consider the following competing hypotheses and accompanying sample data. Ho: Pi-P2 = 0.20 HA P - P2 = 0.20 X2 = 130 X1 = 150 n = 250 m2 = 400 a. Calculate the value of the test statistic. b. Calculate the p-value. c. At the 5% significance level, what is the conclusion to the test? Can you conclude that the difference between the population proportions differs from 0.20? d. Repeat the analysis with the critical value approach.
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Consider the following hypotheses. Hop<0.19 Hy:p> 0.19 Given that p = 0.2, n = 130, and...
Consider the following hypotheses. Hop<0.19 Hy:p> 0.19 Given that p = 0.2, n = 130, and a = 0.01, answer the following questions. a. What conclusion should be drawn? b. Determine the p-value for this test. a. Determine the critical value(s) of the test statistic. Za (Use a comma to separate answers as needed. Round to two decimal places
please show your work......................
14. a. Probability of making a Type I error b. Probability of making a Type Il error c. Probability of rejecting Ho when you are supposed to d. Probability of not rejecting Ho when you shouldn't. Which of the following probabilities is equal to the significance level a? 15. If we reject the null hypothesis when it is false, then we have committed a. a Type ll error b. a Type l error both a Type...
Consider the following hypotheses. Ho: P = 0.43 H:P*0.43 Given that p = 0.32, n = 160, and a = 0.10, answer the following questions. a. What conclusion should be drawn? b. Determine the p-value for this test. a. Determine the critical value(s) of the test statistic. za
I need the Z and P-value also part B answered. Double-check your
work as I don't know but I managed to get this wrong a few times.
Thank you!
A plan for an executive travelers' club has been developed by an airline on the premise that 5% of its current customers would qualify for membership. A random sample of 500 customers yielded 39 who would qualify (a) Using this data, test at level 0.01 the null hypothesis that the com...
Consider the following hypotheses. Ho p 0.42 H1 : p #0.42 Given that p 0.36, n200, and a 0.05, answer the following questions a. What conclusion should be drawn? b. Determine the p-value for this test. a. Determine the critical value(s) of the test statistic. (Use a comma to separate answers as needed. Round to two decimal places as needed.) Calculate the test statistic. Zo = (Round to two decimal places as needed.) Choose the correct answer below A. Reject...
?
b) Use technology to determine the? p-value for
this test.
Consider the hypotheses below. Ho: μ 260 Given that x- 58.1, s12.7, n 35, and a 0.05, complete parts a and b below. a) What conclusion should be drawn? Determine the critical value(s) The critical value(s) is(are) (Round to three decimal places as needed. Use a comma to separate answers as needed.)
Consider the hypotheses shown below. Given that x = 106, o = 25, n = 43, a = 0.05, complete parts a and b. Ho: u = 112 Hy: u112 a. What conclusion should be drawn? b. Determine the p-value for this test. a. The z-test statistic is (Round to two decimal places as needed.)
I need help understanding this problem. If it
can be done on a Ti84 calculator, please show how that can be done
as this will help me out the most. If not, please show
work and explain. Thank you!
7. In a representative sample of 816 coffee growers from Country X 463 growers were certified to sell to organic coffee markets while 85 growers were transitioning to become organic certi ed n Country Y 71% of coffee growers are organic certified....
Consider the following competing hypotheses and accompanying sample data. Ho: Pi-P2 = 0.20 HA P - P2 = 0.20 X2 = 130 X1 = 150 n = 250 m2 = 400 a. Calculate the value of the test statistic. b. Calculate the p-value. c. At the 5% significance level, what is the conclusion to the test? Can you conclude that the difference between the population proportions differs from 0.20? d. Repeat the analysis with the critical value approach.
1. People were asked if there is solid evidence that the earth is getting warmer. Among 1500 respondents, 22% said that there is not such evidence. Use a 0.95 confidence level (0.01 significance level) to test the claim that less than 25% of the population believes that there is not solid evidence that the earth is getting warmer. a) (1 pts)VERIFY the requirements are satisfied b) (1 pts)CLAIM: (IN WORDS) c) (1 pts)CLAIM: (IN EQUATION FORM) d) (1 pts)DETERMINE THE...
Consider the following hypotheses. Hop<0.19 Hy:p> 0.19 Given that p = 0.2, n = 130, and a = 0.01, answer the following questions. a. What conclusion should be drawn? b. Determine the p-value for this test. a. Determine the critical value(s) of the test statistic. Za (Use a comma to separate answers as needed. Round to two decimal places
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