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secure I quick access, place your sprcourse assessment ida 62232.1&course; ids 43834 1&content; idm 856582 18step null bookmarks here on the bookmarks bar. Import bookmarks now- Remaining Time: 1 hour, 54 minutes, 33 seconds. Question Completion Status: IS22,500, $27.500] QUESTION 10 A survey of 1 points save Answer recreation an urban university (population of 25,450) showed that 870 of 1.1 00 students sampled supported a fee increase to fund improvements to the student center Using the 95% level of confidence, what is the confidence interval for the proportion of students support the fee increase? 0.771, 0.811] 714, 0.866) 10.767, 0.815 10.759, 0822 QUESTION 11 1 points Save Answer In 2010, 36% of adults in a certain country were morbidly obese A health practitioner suspects that the percent has changed since then, she obtains a random sample of 1042 adults and finds that 393 are morbidly obese. Is this sufficient evidence to support the practitioner's claim at the a 0 1 level of significance? Round p o five decimal places when calculating the test sta

Explanation / Answer

The statistical software output for this problem is:

One sample proportion confidence interval:
p : Proportion of successes
Method: Standard-Wald

95% confidence interval results:

Hence,

95% confidence interval will be:

(0.767, 0.815)

Option C is correct.

Proportion Count Total Sample Prop. Std. Err. L. Limit U. Limit p 870 1100 0.79090909 0.012261243 0.7668775 0.81494069

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