The answer to your question is,
5.
-Mabel <3
Answer:
3.14
Step-by-step explanation:
The difference between her score and the mean is:
20 − 31 = -11
The number of standard deviations that equals is:
-11 / 3.5 ≈ -3.14
Her score is approximately 3.14 standard deviations below the mean.
5s =2km
1s=0.4km. 0.4km/s
1hr=1440km. 1440km/hr
Answer:
68.6
Step-by-step explanation: