Answer:
-1.75.
Step-by-step explanation:
The z-score = (n - m) / d where n is the value (13) m = mean and d = standard deviation.
= (13 - 20) / 4
= -1.75 (answer)
Answer: Andres
Explanation:
y = goals made
x = goals attempted
For Andres, his ratio is y/x = 4/8 = 1/2 = 0.50 meaning that he made 50% of his attempts
For Deyvi, the ratio is y/x = 9/20 = 0.45 = 45%
Andres has the better record.
Answer:
26
Step-by-step explanation:

Answer:
896 metres per minute
Step-by-step explanation:
not for much sure
10 the second power is 10². 10²=10*10=100. 100*18.72=1,872. Hoped I helped. :)