Write the letter of the correct answer. Kindly include the solution too.
Multiple Choice, Read each statement carefully then WRITE your answers on the answer sheet. Show your solution on the number that needs computation. DO NOT WRITE ANYTHING ON THE QUESTIONNAIRE. 1. What does it mean if the level of significance is at 90%? A. we fail to reject the false hypothesis 10% of the time B. there is a 10% probability that a true null hypothesis is rejected C. the null hypothesis is 90% true D. the null hypothesis is 10% not true 2. What is the second step in hypothesis testing? A. determine the test statistic and compute it B. state the null and alternative hypothesis C. decide and draw a conclusion D. find the critical value for the test, then draw the critical region 3. What happens if the computed z-value is found outside the critical region? A. reject the null hypothesis C. do not reject the null hypothesis B. support the alternative hypothesis D. do not reject the alternative hypothesis 4 If the z-computed value is 1.745 and the critical value is 1.645, your decision will be 4. support the null hypothesis C. do not reject the null hypothesis B. reject the alternative hypothesis D. do not reject the alternative hypothesis 5. Basing the population proportion, which among the statement is correct about null hypothesis? A. it is the current value of the population parameter B. it is the competing claim that the parameter is equal to a specific value C. it is a claim that the proportion is equal to the hypothesized proportion D. it is used as a basis to determine the location of the extreme values 6. What will be the appropriate null hypothesis from the statement, "In ABC NHS, a study found that 689 out of 1,000 Grade 11 learners use smartphones. Using a = 0.05 level of significance, is there enough evidence to conclude that the percentage of learners who are using smartphones is different fro 60%?" A. Ho: p > 0.60 B. Ho: P > 0.60 C. Ho: p = 0.60 D. Ho: P # 0.60 7. Assuming XYZ Company claims that at least 9% of their 5,000 employees are living in SMDC condominium. A survey was conducted randomly among 400 employees. Assume a significance level of 10%. What is the appropriate alternative hypothesis of this study? A. Ha: p # 0.09 B. Ha: P 0.09 D. Ha: p = 0.09 8. What is the correct alternative hypothesis in sentence form in number 7? A. the proportion of employees who are living in SMDC condominium is 9% B. the proportion of employees who are living in SMDC condominium is higher than 9% C. the proportion of employees who are living in SMDC condominium has changed to 9% D. the proportion of employees who are living in SMDC condominium is lower than 9% 9. The iCare internet Center recently conducted a study analyzing the privacy management habits of 85% teen internet users. In a group of 80 teens, 18 are reported to have more than 500 friends on Facebook. Determine the value of p. A. 0.85 B. 18 C. 80 D. 500 10. What is the sample proportion of number 9? A. 0).25 B. 0.24 C. 0.23 D. 0.22 11. A survey of 1,000 women between the ages of 15 and 50 in Bucal 2 found that 23% of those surveyed relied on the pill for birth control. The research shows that 26% of the population are using the pill for birth control. Determine the value of the population proportion? A. 0.15 B. 0.23 C. 0.25 D. 0.26 '12. What is the value of p? A. 0.15 B. 0.23 C. 0.25 D. 0.2613. Which of the following situations is directional? A. the owner of a factory that sells XYZ drink claims that the content of his product is 330ml B. there is enough evidence to conclude that the percentage of students who are in favor of a new schedule is different from 78% C. a researcher wants to know if listening to Mozart music affects the performance of toddlers D. the principal claims that more than 26% of pre-school students prefer to stay in the playground after classes 14. If the level of significance is 10% for a two-tailed test, what will be the appropriate critical value? A. 12.33B. +1.9620.+1 6459 / 5 . D. +1.28 15. A farmer believes that ABC fertilizer will give him an increase of 15% in income this year than what he earned last year. State the alternative hypothesis in symbols. B. Ha. p 1.15 D. Ha: P 0).15 16. A randomly selected sample of 300 SHS learners was surveyed whether they spend more than 3 hours using Facebook/messenger. Fifty percent of the 300 learners said they do. Which of the following statements explains 300? A. it is the population proportion C. it is the randomly chosen number B. it is the size of sample D. it is the sample proportion 17. If p = 0.45, what is the value of q? A. 0.45 B. 0.50 C. 0.55 D. 0.60 18,. Using your answer in number 16 and 17, what is the value of z? P. 1.71 B. 1.72 C. 1.73 D. 1.74 19. Suppose a study found that 58% of the population owns a home. In a random sample of 200 households, 102 own a home. Use a = 0.05 to determine that there is a decrease in the proportion of population that owns a home. Choose the correct alternative hypothesis. A. Ha: P 0.58 C. Ha: p > 0.51 D. Ha: P
