Question
an insurance company estimates 40 percent of its claim have errors. The insurance company wants to estimate with 90 percent confidence the proportion of claims with errors
Answers
MathGuru
CI90 = p + or - 1.645 [√(pq/n)]
...where p = .40, q = 1 - p, n = sample size.
I'll let you take it from here.
...where p = .40, q = 1 - p, n = sample size.
I'll let you take it from here.