8. Sampling Distributions & Confidence Intervals: Proportion / Sampling Distribution of Sample Proportion / Problem 4
Problem 4
A company produces a new type of LED bulb and claims that of the bulbs last more than hours. To verify the claim, a random sample of bulbs is tested. The quality assurance team decides that if fewer than bulbs pass the test, they will reject the company’s claim. What is the probability that the claim will be rejected, assuming the company's claim is true?