b. What is the probability that annual dental expenses are between $1,500 and $2,000? (Round z-score computation to 2 decimal places and your final answer to 4 decimal places.) O Answer is not complete. Probability c. Estimate the probability that an employee had no annual dental expenses. (Round z-score computation and final answer to 2 decimal places.) Probability % d. What was the cost for the 10% of employees who incurred the highest dental expense? (Round your answer to the nearest whole number.) Cost

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