Answer:
2,655 students
Step-by-step explanation:
The z-score for a 99% confidence interval is z = 2.576
The standard error for a proportion p is:

For a proportion of p =0.20, in order to ensure a standard error of 0.02, the sample size 'n' must be:

Rounding up to the next whole student, the sample size needed is 2,655 students.
Rlu is 50 as rlu and alu are equal
The LCM of 6 and 4, is 12.
Answer:
569,186,434
Step-by-step explanation:
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