Determine the area under the standard normal curve that lies to the left of ​(a) upper z equals 0.02 comma ​(b) upper z equals negative 0.19​, ​(c) upper z equals negative 0.38​, and ​(d) upper z equals negative 1.74

Respuesta :

a) 0.50798
b) 0.42465
c) 0.35197
d) 0.040930
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