Mall security claims that the average daily per-store theft is less than $100, but wants to determine the accuracy of this statistic.The company researcher takes a sample of 64 clerks and finds that=$98 and s = $10.

a) Test at = .1

Step 1: Hypothesis

Step 2: Critical value and acceptance-range

Step3: Compute test-value(calculated z)

Step 4: Accept or reject (ALWAYS EXPLAIN WHY YOU ACCEPT

b) Construct a 90% CIE of