In Clinical Studies of an Allergy Drug, 81 of the 900

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. Is there enough evidence at the 5% significance level to infer that the competitor is correct?
Test statistic = ______________
p-value = ______________
Conclusion: ______________
Interpretation: __________________________________________
Construct a 95% confidence interval estimate of the population proportion of the users of this allergy drug who experience drowsiness.
______________
Explain how to use this confidence interval to test the hypotheses.
__________________________________________