0.05 or 5% likely that a randomly chosen adult will exercise 30 minutes each day.
Probability is the possibility of occurrence of a particular event.
In other word, Probability is the ratio of number of favorable incident under an event to the Total number of incident under that event.
[tex]\text{Probability}=\frac{\text{Number of Favorable Cases}}{\text{Number of Total cases}}[/tex]
In this problem it is given that 5% of adults participate in at least 30 minutes of exercise each day.
Then it implies 5 adults out of total 100 adults participate in at least 30 minutes of exercise each day.
Here the event is that one adult exercises 30 minutes each day.
Number of adults in favor is 5
Number of total adults is 100
Probability that one randomly chosen adult will exercise 30 minutes each day is [tex]=\frac{5}{100}=0.05[/tex]
Hence 0.05 or 5% likely that a randomly chosen adult will exercise 30 minutes each day.
Learn more about Probability here -
https://brainly.com/question/25870256
#SPJ2
