Answer:
An event that is not certain in this context is "All combinations of 4 candies"
Step-by-step explanation:
Given that the total candies is 38, and the amounts of each (green, blue, red and orange) is to find out the probability of occurrence of each event.
Probability of "all combinations of 4 candies" = 0,00354
Probability of "all combinations of 4 candies where at leasst 1 is red" = 0,01528
Probability of "4 orange candies" = 0,00702
The least safe event in this context is "all combinations of 4 candies"