The general manager of an AFL team believes the ages of purchasers of game tickets are normally distributed. The following data represent the distribution of ages for a sample of observed purchasers of AFL game tickets. Use the chi-square goodness-of-fit test to determine whether this distribution is significantly different from the normal distribution. Assume that= .9.

Age of Purchaser Frequency

10-under 20 16

20-under 30 44

30-under 40 61

40-under 50 56

50-under 60 35

60-under 70 19

Round your answer to 4 decimal places when calculating using Table A.8.

What isx².9.3value?