How to find the area under the standard normal curve

Asked by admin @ in Mathematics viewed by 286 People

Using the standard normal distribution tables, the area under the standard Normal curve corresponding to -0.5 < Z < 1.2 is:____________-

A) 0.2815.
B) 0.3085.
C) 0.8849.
D) 0.5764.

Answered by admin @


Answer:

D) 0.5764.

Step-by-step explanation:

We are asked to find the area under the standard Normal curve corresponding to -0.5 using standard normal distribution tables.                  

We know that area between two values under a normal distribution is difference of area of upper value and lower value.

p(a  

Upon substituting our given values, we will get:

p(-0.5  

Using normal distribution table, we will get:

p(-0.5  

p(-0.5  

p(-0.5  

Therefore, the area under the Standard Normal Curve corresponding to -0.5 is 0.5764 and option D is the correct choice.


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