(Solved):
7) In clinical studies of an allergy drug, 81 of the 900 subjects experienced drowsiness. A compet ...
7) In clinical studies of an allergy drug, 81 of the 900 subjects experienced drowsiness. A competitor claims that \( 10 \% \) of the users of this drug experience drowsiness. a) Is there enough evidence at the \( 2 \% \) significance level to infer that the competitor's claim is wrong? Use the p-value method) ) Construct a \( 99 \% \) confidence interval estimate of the population proportion of the users of this allergy Arug who experience drowsiness. Is there enough evidence in the data to suggest that the competitor's laim is wrong at \( 1 \% \) level of significance.