Mathematics, 21.05.2020 23:10 shiny9362

Tim Worker is doing his budget. He discovers that the average miscellaneous expense is $45.00 with a standard deviation of $16.00. What percent of his expense in this category would he expect to fall between $38.60 and $57.80? The z for $38.60 = -_. The percent of area associated with $38.60 = _%
The z for $57.80 =_ . The percent of area associated with $57.80 = _%
Adding the two together, the percent of his expenses between $38.60 and $57.80 is ___%

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Tim Worker is doing his budget. He discovers that the average miscellaneous expense is $45.00 with a...