Assume that a step to the north is in the positive direction and a step in the south is in the negative direction.
Then,

and

After 1 hour of independent steps,

and

Therefore, by Central Limit Theorem, the distribution of the random walk is normal with a mean of 0 cm and a standard deviation of 17.32 cm. He is expected to be somewhere around his starting point after 1 hour.
Answer:
i think its the second option
Step-by-step explanation:
Answer:
x = 27
Step-by-step explanation:
A = 180°
180 = (5x+45)
subtract 45 from each side:
5x = 135
divide both sides by 5:
x = 27