Question

A population consists of 500 elements. We want to draw a simple random sample of 50 elements from this population. On the first selection, the probability of an element being selected is______.

a. 0.100.
b. 0.010.
c. 0.001.
d. 0.002.

Answer 1

Answer: correct option is A

0.100

Explanation:

Given that

population = 500 elements.

To draw a simple random sample of 50 elements from this population. On the first selection

The probability = 50/500 = 0.1

The probability of an element being selected is 0.100