The percentage of adults who have at some point in their lif
| The percentage of adults who have at some point in their life been told that they have hypertension is 23.53%. If 11 adults are randomly selected, find the probability that at least 2 of them have been told that they have hypertension. |
| The percentage of adults who have at some point in their life been told that they have hypertension is 23.53%. If 11 adults are randomly selected, find the probability that at least 2 of them have been told that they have hypertension. |
Solution
In the given problem n = 11,
x=no of people who have been told that they have hypertension
p = prob for success = 0.2353
X follows a Binomial distribution.
P(X>=2) = 1-P(X=0)-P(x=1) =0.7707
