Interpreting calculator display: The following TI-84 Plus display presents the results ofa hypothesis test.μ#50z = 1.473363499P=.1406531165x = 51.62n=67Part 1 of 5Z-TestWhat are the null and alternate hypotheses?Ho: μ = 50H₁:μ #50Part: 1 / 5Part 2 of 5What is the value of the test statistic? Enter the value to the full accuracy shown(do not round).

from this ti 84 plus calculator output we have to give answers.

Answered: nterpreting calculator display: 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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You wish to test the following claim (HaHa) at a significance level of α=0.02α=0.02. Ho:p=0.72Ho:p=0.72 Ha:p>0.72Ha:p>0.72You obtain a sample of size n=403n=403 in which there are 316 successful observations.What is the test statistic for this sample? (Report answer accurate to three decimal places.)test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.)p-value = The p-value is... less than (or equal to) αα greater than αα Correct This test statistic leads to a decision to... reject the null accept the null fail to reject the null Correct As such, the final conclusion is that... There is sufficient evidence to warrant rejection of the claim that the population proportion is greater than 0.72. There is not sufficient evidence to warrant rejection of the claim that the population proportion is greater than 0.72. The sample data support the claim that the population proportion is greater than 0.72. There is not…
Use the calculator displays to the right to make a decision to reject or fail to reject the null hypothesis at a significance level of a = 0.05. Z-Test Inpt: Data Stats u + 60 Ho:60 0:4.75 x:58.25 n:45 Z-Test z= - 2.47144355 p = 0.01345688 x = 58.25 In = 45 Calculate Draw Orl Orl + Choose the correct answer below. O A. Since the P-value is less than a, fail to reject the null hypothesis. B. Since the P-value is less than a, reject the null hypothesis. O C. Since the P-value is greater than a, fail to reject the null hypothesis. O D. Since the P-value is greater than a, reject the null hypothesis.
Only 11% of registered voters voted in the last election. Will voter participation increase for the upcoming election? Of the 390 randomly selected registered voters surveyed, 55 of them will vote in the upcoming election. What can be concluded at the a = 0.01 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ?VSelect an answer (please enter a decimal) H1: ?v Select an answer (Please enter a decimal) c. The test statistic ? (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is ?v a f. Based on this, we should Select an answer g. Thus, the final conclusion is that ... ) the null hypothesis. O The data suggest the populaton proportion is significantly higher than 11% at a = 0.01, so there is statistically significant evidence to conclude that the the percentage of all registered voters who will vote in the upcoming election will be higher…
The body weight of a healthy 3-month-old colt should be about ? = 66 kg. I need help with (c) (d) and (e)
The body weight of a healthy 3-month-old colt should be about ? = 66 kg. I need help with (a) (b) and (c)
Using the information obtained from a study on heart rate, the following data were obtained for the hypothesis test: • A doctor is testing the claim that the average heart rate of patients is less than 70 bpm. • Assume the significance level is a = 0.05. • The z- test statistic is calculated as -2.01. What is the p-value and conclusion for this hypothesis test? Move the blue dot to choose the appropriate test (left-, right, or two-tailed). Use the graph below to move the slider to he test statistic in order to find the p-value. Then, make a conclusion based on those results.
1: Two random samples taken from two normal populations yielded the following information: Sample size n1 = 9 n2 = 31 Sample variance s} = 45 s = 30 Sample 1 %3D i. Find the test statistic F Find the degrees of freedom dfl and df2. Perform the test the hypotheses Ho: of = ož vs. H1: o} # ož at the 5% level of significance. ii. iii.
What type of hypothesis test should be performed? Ex: Left-tailed z-test, Two-tailed z-test, Paired t-test, or Unpaired t-test What is the test statistic? Ex: 0.123 What is the number of degrees of freedom? Ex: 25 Does sufficient evidence exist to support the claim that the voltage of the batteries made by the two manufacturers is different at the α=0.05 significance level? Ex: yes or no
What type of hypothesis test should be performed? Ex: Left-tailed z-test, unpaired t-test, paired t-test, or Two-tailed z-test What is the test statistic? Ex: 0.123 What is the number of degrees of freedom? Ex: 25 Does sufficient evidence exist to support the claim that the voltage of the batteries made by the two manufacturers is different at the α=0.1 significance level? Ex: yes or no
A food safety guideline is that the mercury in fish should be below 1 part per million (ppm). Listed below are the amounts of mercury (ppm) found in tuna sushi sampled at different stores in a major city. Construct a 99% confidence interval estimate of the mean amount of mercury in the population. Does it appear that there is too much mercury in tuna sushi? 0.53 0.75 0.11 0.91 1.35 0.49 0.94 O What is the confidence interval estimate of the population mean u? U ppm

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