Question

R programming

What is the probability that someone needs to ask more than 12 people to successfully get directions from 5? Your answer should be 3.21%. Show the code that leads to this result, and explain why.

Answer 1

#Rcode below

p=seq(0,1,.01)
z=0
for (i in 5:12){
z=z+p^i*(1-p)^(i-5)
}

z

p=0.9919
z=0
for (i in 5:12){
z=z+p^i*(1-p)^(i-5)
}
z

1-z
#output of R code

Even p=0.9919 is more accurate which gives you 3.21% exact

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