Question: A recent study examined hearing loss data for 1,771 U.S. teenagers. In this sample, 333 (18.8%) were found to have some level of hearing loss.

A recent study examined hearing loss data for 1,771 U.S. teenagers. In this sample, 333 (18.8%) were found to have some level of hearing loss. The null distribution below was created to test whether the proportion of all U.S. teenagers who have some level of hearing loss is different than 20%. a)(3 points)Use the null distribution to find the 2SD confidence interval for the parameter.

b)(3points)Interpret the interval in context.

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