Answer:
It is 45.27
Step-by-step explanation:
Answer:
Rahul reads 20 pages of a story book everyday and finish it in 12 days Ram is a slow reader and work for two days he was then joined by b find the total time taken to finish the work?
Answer:
22
Step-by-step explanation:
Count the dot
Can you tell me a specific name and what grade this is, Cause I have multiple ways of doing this
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.