You may need to use the appropriate appendix table or technology to answer this question. The daily dinner bills in a local restaurant are normally distributed with a mean of $28 and a standard deviation of $6. (a) What is the probability that a randomly selected bill will be at least $39.70? (Round your answer to four decimal places.) (b) What percentage of the bills will be less than $16.30? (Round your answer to two decimal places.) %
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You may need to use the appropriate appendix table or technology to answer this question. The daily dinner bills in a local restaurant are normally distributed with a mean of $28 and a standard deviation of $6. (a) What is the probability that a randomly selected bill will be at least $39.70? (Round your answer to four decimal places.) (b) What percentage of the bills will be less than $16.30? (Round your answer to two decimal places.) %
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