The amount of money college students spend each semester on textbooks is normally distributed with a mean of $195 and a standard deviation of $20. suppose you take a random sample of 100 college students from this population. there would be a 68% chance that the sample mean amount spent on textbooks would be between what two values? explain just how you arrived at your answer.

Sample response: Draw one whole fraction bar. Next, draw 6 equal bars under it, since you are dividing by sixths. Then draw a twelfths fraction bar with 2 twelfths for each sixth bar. Above the twelfths bar, circle groups of 4 sixths. There is one group of 4/6 with 1/6 remaining. Since 1/6 is 1/4 of 4/6, the quotient is 1 1/4.

Step-by-step explanation:

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