Given a population that is $48\%$ male.

a$.$ What is the probability that a sample of size $250$ would have greater than $50\%$ males?

b$.$ How large is the sample will be selected if the probability that at least $55\%$ males is

$0\mathrm{.}73?$

Select one:

a$.0\mathrm{.}2594$

b$.16$

a$.0\mathrm{.}2619$

b$.17$

a$.0\mathrm{.}2643$

b$.19$

a$.0\mathrm{.}2755$

b$.20$

aI $0\mathrm{.}2620$

b$.18$