The letter tiles C, A, R, E , and S are placed in a box. Without looking, Jorelle picks a letter tile from the box and records the result before placing it back. He repeats the procedure 100 times and observes the following results: Outcomes C A R E S Frequency 20 25 30 10 15 Based on the observed frequency, develop a probability model for this experiment. Express the probability in decimal form, rounded to the nearest hundredth. (1 point)

1 answer

To find the probability of picking each letter, we can divide the frequency of each letter by the total number of trials (100):

P(C) = 20/100 = 0.2
P(A) = 25/100 = 0.25
P(R) = 30/100 = 0.3
P(E) = 10/100 = 0.1
P(S) = 15/100 = 0.15

So, the probability model for this experiment is:
P(C) = 0.2
P(A) = 0.25
P(R) = 0.3
P(E) = 0.1
P(S) = 0.15