Which lists all the integer solutions of the inequality |x| < 4? –4, –3, –2, –1, 0, 1, 2, 3, and 4
0, 1, 2, and 3
–3, –2, –1, 0, 1, 2, and 3
0, 1, 2, 3, and 4

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?