So lets do it like this:
z = (X-Mean)/SD
<span>z1 = (8-12)/2 = - 2 </span>
<span>z2 = (16-12)/2 = + 2 </span>
<span>According to the Empirical Rule 68-95-99.7 </span>
<span>Mean more or less 2SD covers 95% of the values </span>
So t<span>he percentage of data points falling between 8 and 16 = 95%
</span>I hope this can help
Answer:
$40
Step-by-step explanation:
Divide.
$800 / 20 hrs.
= $40
Answer: 200x+52
Step-by-step explanation:2*100x= 200x
2*26=52
So...........200x+52
The answer to 0.15 x 22 is 3.3
If you look after the decimal point, you only see one digit (.3)
Therefore the answer is 1