Using the binomial distribution, it is found that there is a 0.3222 = 32.22% probability that at least 3 Canadian are on CERB in the sample.
<h3>What is the binomial distribution formula?</h3>
The formula is:


The parameters are:
- x is the number of successes.
- n is the number of trials.
- p is the probability of a success on a single trial.
The values of the parameters are:
n = 10, p = 0.2.
The probability that at least 3 Canadian are on CERB in the sample is:

In which:
P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2).
Then:




Then:
P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2) = 0.1074 + 0.2684 + 0.3020 = 0.6778.

0.3222 = 32.22% probability that at least 3 Canadian are on CERB in the sample.
More can be learned about the binomial distribution at brainly.com/question/24863377
#SPJ1