Question

find percentage of data items in a normal distribution that lie between z=1.3 and z=3

Answer 1

Given:

Here we have z=1.3 and z=3.

Required:

We need to find percentage of data items in a normal distribution that lie between z=1.3 and z=3.

Explanation:

We have z=1.3 and the percentage of z=1.3 is 90.32 % and percentage of z=3 is 99.87 %

now to find between these two values we just need subtract both values

$99.87-90.32=9.55\text{ \%}$

Final Answer:

9.55 %