Question

Determine the area under the standard normal curve that lies to the left of ​(a) Upper Z equals negative 0.36 comma ​(b) Upper Z equals negative 1.29​, ​(c) Upper Z equals negative 1.02​, and ​(d) Upper Z equals 0.91.

Answer 1

Let

a)

which is the required area.

{Using probability tables}

b)

which is the required area.

{Using probability tables}

c)

which is the required area.

{Using probability tables}

d)

which is the required area.

{Using probability tables}