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Compute a numerical value for the area under the standard normal distribution, for z less than or equal to -1.
Compute a numerical value for the area under the standard normal
distribution, for z less than or equal to -1.7.
Compute a numerical value for the area under the standard normal
distribution, for z less than 1.2.
Compute a numerical value for the area under the standard normal
distribution, between 1.1 and 1.6.
Compute a numerical value for the area under the standard normal
distribution, between -1.8 and -1.1.