Someone pls do a 4 level analysis on this, I’ll mark as a brainlist

What is the quickest way to resolve problems from a supply shock?

The average act score follows a normal distribution, with a mean of μ = 21.1 and a standard deviation of σ = 5.1. what is the probability that the mean iq score of 50 randomly selected people will be more than 23? 0 1 0.9958 0.3547 0.0042

When did human beings first arrive in the americas? how did they get there?