1)Let z be the standard normal distribution. Calculate the following (round to the nearest ten-thousandth): P(l.2<z<2.3)
2)Let z be the standard normal distribution. Calculate the following (round to the nearest ten-thousandth):
P(z>0.23)
3) Let x be the normal distribution with μ=12 and σ=0.8. Calculate the following (round to the nearest ten-thousandth):
P(10<x<13)
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