The cash operating expenses of the regional phone companies during the first half of 1994 were distributed about a mean of $29.87 per access line per month, with a standard deviation of $2.95. company a's operating expenses were $29.00 per access line per month. assuming a normal distribution of operating expenses, estimate the percentage of regional phone companies whose operating expenses were closer to the mean than the operating expenses of company a were to the mean. (round your answer to two decimal places.)