Question 911875
m = 100, sd = 6
Using TI Calculator
P(X ≤ 72 ) = normalcdf(-999, 72,100,6)
P(93 ≤ X ≤ 130 ) = normalcdf(93,130,100,6)
P(X ≥ 81 ) = normalcdf(81,999,100,4)
P(X ≥ 87 ) = normalcdf(87,999,100,4)