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QUESTION 6 A 95% confidence interval does not contain 5. If the confidence level

ID: 2934667 • Letter: Q

Question

QUESTION 6 A 95% confidence interval does not contain 5. If the confidence level is decreased, will the new interval contain 5? Yes O Unable to determine QUESTION 7 A drug company manufactures a medication for cancer patients, and the average ifte expectancy of those who take it is 5 years.After developing a new drug, it wants to know if the patients will Ive longer taking their new medication. What statistical analysis should the company perform? O 1 proportion z-test O 1 sample t-interval O 1 sample t-test O 1 proportion z-interval QUESTION 8 A drug company wants to estimate how long patients can expect to live taking a new medication. What would the company need to perform? 1 sample t-test 1 sample t-interval 1 proportion z-interval 1 proportion z-test Click Save and Submit to save and submit. Click Save All Answers to save all answers

Explanation / Answer

Q 6. Answer : No, because if we decrease CI, the width of area decreases and hence 5 will remain outside the interval.

Q 7. Answer: one sample t -test

Q 8. Answer: 1 sample t interval