1. A normal distribution of scores has a standard deviation of 10. Find the z-scores corresponding to each of the following values:
a) A score of 60, where the mean score of the sample data values is 40.
b)A score that is 30 points below the mean.
c)A score of 80, where the mean score of the sample data values is 30.
d)A score of 20, where the mean score of the sample data values is 50.

hey there!

if she's saving for six months, let's divide the total number we need for the trip by six, dividing it into the amount that needs to be saved for each month.

500 ÷ 6 =

she needs to save at least this amount each month, so we should use this symbol: ≥

let x be the amount she saves each month.

your final answer is x ≥

hope this !

to have more of what you want like money

step-by-step explanation:

save it by not spending on unnecessary stuff and have more