The z-score is the number of standard deviations away from the mean. We first subtract the actual score from the mean, then divide the difference by the standard deviation. In this case, our actual score is 13, so we subtract from the mean of 16, then divide by the SD of 2
(13 - 16) / 2 = -1.5
Answer:
A = $746 (rounded up to nearest cent)
Step-by-step explanation:
A = P
A = $500 × = $745.9123488 or $746 (rounded up to nearest cent)
Answer:
One hour’s sleep before midnight is worth three after.
Answer:
$21000
Step-by-step explanation:
I = prt
(6 × 0.07 × 50000) = (300000 × 0.07) = $21000
Answer:
xy=2
Step-by-step explanation
2x + 3y =12
First divide 2 on both sides of the equation, than divide 3 on both sides of the equation.