Question 1180334
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Hi
Normal Distribution:  µ = 41.1 and σ = 5.3
Using TI or similarly an inexpensive calculator like a Casio fx-115 ES plus
Continuous curve
P(x < 43) = P(x ≤ 44) = normalcdf(-9999, 43, 41.1, 5.3) = .64  0r  64%
P(x > 39) = P(x ≥ 38) = normalcdf( 39, 9999, 41.1, 5.3) = .654  0r 65.4%
P(38 > x > 42)= normalcdf(37, 42, 41.1, 5.3) = .3829 = .2881 0r 28.8%

Important You feel comfortable using Your calculator.
Wish You the Best in your Studies.
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