Answer to Question 1
a
RATIONALE: The Error Checking button provides an automatic means of checking for mathematical errors within formulas of a worksheet.
Answer to Question 2
a
RATIONALE: We are asked to calculate P(X > 13,000) given a normal distribution with a mean of 10.000 and a standard deviation of 1,500 steps. This probability can be calculated using the Excel function 1 NORM.DIST(13000, 10000, 1500, TRUE) = 0.0228.