Question

Suppose that a normal distribution has a mean of 20 and a standard deviation of 4. What is the z-score of 22?

Answer 1

0.5

Explanation:

0.5

Answer 2

z-score of 22 is 0.5

Explanation:

we are given

mean =20

so,
`\mu=20`

standard deviation =4

`\sigma=4`

x=22

we can use formula

`z=(x-\mu)/(\sigma)`

now, we can plug values

`z=(22-20)/(4)`

`z=0.5`