Question

answer to the nearest tenth.

Another home business has an average income of $1.200.00 per month with a standard deviation of $100.00. If the income in a given month is $1,030.00, what z-score corresponds to this value?

0
1
-1.5
-1.7

Answer 1

i say -1.5

Answer 2

what is the difference between 1200 and 1030 ?

Answer 3

To find use this formula....

\(\huge{z=\frac{person's~ score - average~ score}{standard~ deviation}}\)

Answer 4

@563blackghost what is person's score and average score

Answer 5

The average score is `average income of $1.200.00 `. The person's score is ` the income in a given month is $1,030.00`. And the standard deviation is `$100`.

\(\huge{z=\frac{1030 - 1200}{100}}\)

Answer 6

thanks

Answer 7

np :)

Answer 8

-1.7

Answer 9

Correct :)