Past surveys showed that 44.2% of Filipino households have pets. A recent survey reported that 516 ofthe 1200 Filipino households have pets. Does this indicate that the proportion of Filipino householdswho have pets has decreased? Use a 5% level of significance.A. Perform a complete test of hypothesis.B. Select here the conclusion for this test of hypothesis.The proportion of Filipino households who have pets has decreased.There is no sufficient evidence to say that the proportion of Filipino households who have pets has decreased.

Given: x = 512 n =1200 p= 44.2% = 0.442

Answered: Past surveys showed that 44.2% of…

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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14.
The government of a certain country says that the literacy rate (the proportion of people who are literate) in the country is 73%. A nongovernmental organization believes that the rate is lower than that. To test their belief at the 1% significance level, the organization studies a random sample of 420 people and finds that 283 of them are literate. Ho: p=0.73 Ha: P< 0.73 Find the P-value. Round your answer to 3 decimal places.
What would be your decision? A. There is insufficient data to make a decision. B. do not reject the null hypothesis. C. Reject the null hypothesis. D. Reject the alternative hypothesis.
Difference tests are conducted to determine: A. the representative value in a given set of scores. B. whether two or more groups differ on an outcome. C. if the assumptions of a statistical procedure have been met. D. whether two variables correlate with each other.
Choose the correct answer.If the P-value of a test of significance is 0.999 then:A. the null hypothesis should be rejected.B. the null hypothesis should not be rejected.C. the alternative hypothesis provides a plausible explanation of the data.D. Both A and C are true.
The US Department of Energy reported that 49% of homes were heated by natural gas. A random sample of 327 homes in Oregon found that 143 were heated by natural gas. Test the claim that proportion of homes in Oregon that were heated by natural gas is different than what was reported. Use a 10% significance level. Give answer to at least 4 decimal places. a. What are the correct hypotheses? (Select the correct symbols and use decimal values not percentages.) H0: H1: Based on the hypotheses, compute the following:b. Test Statistic = c. p-value = d. Based on the above we choose to e. The correct summary would be: that the proportion of homes in Oregon that were heated by natural gas is different than what the DOE reported value of 49%. Question HelpQuestion 14: Video1
It has been claimed that at a university at least 40% of the students live on campus. In a random sample of 250 students, 90 were found to live on campus. What is the test value for testing the claim at a=.02? O A. - 2.33 B. 1.32 O C. -1.32 O D. - 1.29
A student wishes to determine the average life-span of a household light bulb. She randomly collects 15 light bulbs. The issue that may arise from her survey is… The bias will be high. The accuracy will be low. The precision will be low. The standard error will be too low.
Assume that you want to test the claim that the paired sample data from a for which the mean difference Ha = 0. Give the value of the ttest statistic. 11 13 5 Y 8 6 4 Note: Use three decimal places.
how do i solve for parts b, d, and e?

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