{(2, 3), (1, 5), (2, 7)} - NOT because 2->3 and 2->7
{(11, 9), (11, 5), (9, 3)} - NOT because 11->9 and 11->5
{(3, 8), (0, 8), (3, -2)} - NOT because 3->8 and 3->-2

{(-1, 5), (-2, 6), (-3, 7)} - YES

4 0

3 years ago

A pumpkin weighs 31 1/3. It is split into 3 equal pieces. What does each part weigh?

Romashka-Z-Leto [24]

$(\frac{94}{3}) \div 3 = \frac{94}{9} = 10 \frac{4}{9}$

7 0

3 years ago

If a normal distribution has a mean of 62 and a standard deviation of 12 what is the z-score for a value of 80

kap26 [50]

Answer with explanation:

$\text{Mean}=\mu = 62\\\\ \text{standard deviation}=\sigma=12\\\\ \bar X=80\\\\Z_{score}=\frac{\bar X -\mu}{\sigma}\\\\Z_{score}=\frac{80-62}{12}\\\\Z_{score}=\frac{18}{12}\\\\Z_{score}=1.5$

Option B:→ 1.5

3 0

2 years ago