t. (5 points) What is the probability a randomly selected zombie kil crossbow du
ID: 3369221 • Letter: T
Question
t. (5 points) What is the probability a randomly selected zombie kil crossbow during Season 1 or an Axe in Season 3? kill was with a . The zombi supplies. As a result, the American Preppers Association Bass Pro Shops and thes 21 UCA students each pick a Bass Pro Shop to hunt for supplies. e apocalypse is here! People are freaking out and are in a mad dash to get has randomly looted 20% of the e looted stores follow a Poisson distribution. Suppose our class of (10 points) What is the probability that exactly one of you goes to looted stores? a. b. (10 points) What is the probability that two or more of you go to looted stores?Explanation / Answer
Ans:
Given that
n=21,p=0.2
a)P(exactly 1)=P(x=1)=21C1*0.21*(1-0.2)20=0.0484
b)P(x>=2)=1-P(x<=1)=1-P(x=0)-P(x=1)
=1-(1-0.2)21-0.0484
=1-0.0092-0.0484
=0.9424
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