Answer:
A sample size of 1380 should be obtained.
Step-by-step explanation:
Minimum sample size:
The minimum sample size is of:

In which z is the critical value, related to the confidence level, E is the desired margin of error,
and
are the proportions.
99% confidence level
So
, z is the value of Z that has a pvalue of
, so
.
Estimates of 22.6% male and 18.1% female from a previous year
This means that
.
Within 3 percentage points, minimum sample size:
This is n for which
. So



Rounding up:
A sample size of 1380 should be obtained.
Answer:
(7,48)
Step-by-step explanation
the books go up by ten and the days go up by 2
Answer:
es x positivo por qué y es negativo
Step-by-step explanation:
me entendiste
Answer:
it should be 16
Step-by-step explanation:
Answer:
i think its c
Step-by-step explanation:
so sorry if its wrong