AutoSave OFF Home Insert Draw C Excel Skills Demonstration Page Layout Formulas Data Review View Tell...

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AutoSave OFF Home Insert Draw C Excel Skills Demonstration Page Layout Formulas Data Review View Tell me Cut Calibri (Body) 11 ' ab Wrap Text v General Normal Bad Copy Paste B I U Merge & Center % 0 - Conditional Format Formatting as Table Good Neutral Insert Delete Format 1 M10 Format A fx | 23456789 E F H J K L M N P R S T U V According to the IRS the mean tax refund for the year 2009 was $3333 The standard deviation of the population of returns is $551, and the amounts follow the normal distribution B C 1 a Using Norm.Dist What percent of the returns are more than $2000? b What percent of the returns are more than $5000? Answer Answer 10 C. What percent of the returns are between $3000 and $5000? Answer 11 12 13 14 15 16 17 2 18 Create an approximate line graph of this normal distribution with $3333 as the mean Answer 19 20 You can make a table of values from which to create the graph 21 22 22222 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 AutoSave OFF Home Insert Draw C Excel Skills Demonstration Page Layout Formulas Data Review View Tell me Cut Calibri (Body) 11 ' ab Wrap Text v General Normal Bad Copy Paste B I U Merge & Center % 0 - Conditional Format Formatting as Table Good Neutral Insert Delete Format 1 M10 Format A fx | 23456789 E F H J K L M N P R S T U V According to the IRS the mean tax refund for the year 2009 was $3333 The standard deviation of the population of returns is $551, and the amounts follow the normal distribution B C 1 a Using Norm.Dist What percent of the returns are more than $2000? b What percent of the returns are more than $5000? Answer Answer 10 C. What percent of the returns are between $3000 and $5000? Answer 11 12 13 14 15 16 17 2 18 Create an approximate line graph of this normal distribution with $3333 as the mean Answer 19 20 You can make a table of values from which to create the graph 21 22 22222 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57