Question

Assume that when adults with smartphones are randomly selected, 36% use them in meetings or dasses. If 0 adult smartphone users are randomly selected, find the probabiily that exactly 5 of them use their smartphones in meetings of classes. The probability is (Round to four decimal places as needed.)

Answer 1

The probability that exactly 5 out of 0 adult smartphone users selected randomly use their smartphones in meetings or classes is zero.

Step-by-step explanation:

To find the probability that exactly 5 out of 0 adult smartphone users selected randomly use their smartphones in meetings or classes, we will use the binomial probability formula.

Let's define:

p = probability of using smartphones in meetings or classes = 0.36

• The binomial probability formula is: P(X=k) = (nCk) * pk * (1-p)(n-k)

• Substituting the values, we get:

P(X=5) = (0C5) * 0.365 * (1-0.36)(0-5)

Since 0C5 equals zero, the probability that exactly 5 out of 0 adult smartphone users selected randomly use their smartphones in meetings or classes is zero.