Answer Happy

A survey of 910 patients taking the medication Obecalp showed
that 200 of the patients experience side effects.
a) Calculate p̂ : (2 decimal places)

b) Calculate a 95% confidence interval for p, the population
proportion of patients experiencing side effects.
The confidence interval lower limit is % and the upper
limit is % (1 decimal place)


c) The margin of error for the above confidence interval
is % (1 decimal place)


d) Calculate a 99% confidence interval for p.
The confidence interval lower limit is % and the upper
limit is % (1 decimal place)

e) In general, increasing the confidence level has what
type of effect on the confidence interval?
the interval with higher confidence is narrower (margin or error
is smaller)the interval with higher confidence is wider (margin of
error is larger)