2. The hourly salary rate for accountants at the "We are the Best Accounting Firm" follow a normal distribution, with a mean of $27 and a standard deviation of $4. Tom earns $22.50 an hour. a. Find Tom's z-score 4 b. Interpret the result in part a. 3. Cindy works for a competing accounting firm called "Ace Pro Accountants." The hourly salary rate for accountants follow a normal distribution, with a mean of $24 and a standard deviation of $3. Cindy earns $18 an hour. Whose salary is lower relative to his/her company's mean salary: Tom or Cindy's? (Hint: compare their z score, use Tom's result from part 2). oasic rules sule 10: - Able to recognize and calculate - Understand Weighted Mean and al Chapter 11 - Understand Expected Value and its - Able to calculate the mean and standar of Z-score and - Able to calculate a binomial distributic - Understand the - Able to solve a normal a normal curve, finding (t pro