Is the proportion of adults with kidney stones greater among those with sodium intakes greater than the recommended less

[answerhappygod]

Is the proportion of adults with kidney stones greater
among those with sodium intakes greater than the recommended less
than 2300mg/day than the proportion of kidney stones among those
who have sodium intakes at or below the recommended
amount?
a. What is the mean difference and the
corresponding 95% CI in the proportion of adults with kidney stones
between those who had higher than the sodium recommendation and
those who meet the sodium recommendation? In your written statement
also indicate which group proportion was subtracted from
which.
b. Conduct a formal hypothesis test assessing the
above research question. Write out the test statistic value and
p-value from the formal hypothesis test.
- conclusion at the 5% type I error
level
- interpretation (if there is a difference, briefly
describe it)