Answer:
Center = 15
Spread = 0.599
Shape = Normal
Step-by-step explanation:
The provided information is:

Thus the center(mean) of the distribution is:

The spread (standard deviation) of the distribution is:

The shape of the distribution is also normally distributed.
So a deckameter is = to 10 meters
just multiply it
3*10= 30
then divide
30/1= 30
So glenn needs 30 meter paces of ribbon
Answer:
there's not options :/ nobody can answer this