Find the probability that 5 of the dogs have health insurance and that more than 10 dogs have health insurance.

Question

3% of all dogs have health insurance. In a random sample of 100 dogs in a large city. find...

Answer 1

I'm not sure if you have access to R, or what tools you're allowed to use to solve this, but it can be solved rather easily in R:

dbinom(5,100,0.03) #exactly 5 have health insurance

0.1013081

pbinom(10,100,0.03,lower.tail = F) #more than 10 have health insurance

0.0002149249