Ex: Neckwear association reported 3% of ties sold in the US are bow ties. If 4 customers purchased a tie, find the probability that at least one purchased a bow tie.

P=0.1147

Step-by-step explanation:

P(bow tie)=0.03

P(no bow tie)=0.97

n=4

450 is the final answer! : )

according to this law, when unemployment goes up by 1%, gdp drops by 2%. in the question, unemployment rate goes from 2% to 5%, meaning unemployment goes up by 3%, so the gdp drops by 6%. thus the effect is a drop in gdp by 6%.

step-by-step explanation: