Evaluate the expression: 3(a + b - 3) - 212a + b - 4) when a = 2 and b = 1
1 answer:
You might be interested in
Answer:
The sample size required is 910.
Step-by-step explanation:
The confidence interval for population proportion is:
The margin of error is:
Given:
The critical value of <em>z</em> for 90% confidence level is:
*Use a standard normal table.
Compute the sample size required as follows:
Thus, the sample size required is 910.