3.
A teacher is told he will have 20 students in his first-period class this year. He wants to predict the birthday month of his students, so he decides to run a simulation where January = 1, February = 2, etc. Use the simulated results to estimate the probability that a randomly picked student will have a September birthday.

9 6 5 8 9 2 4 10 9 7 2 10 12 6 9 2 9 11 1 3

A.
0.450

B.
0.750

C.
0.083

D.
0.250

Question

3.	
A teacher is told he will have 20 students in his first-period class this year. He wants to predict the birthday month of his students, so he decides to run a simulation where January = 1, February = 2, etc. Use the simulated results to estimate the probability that a randomly picked student will have a September birthday.

9   6   5   8   9   2   4   10   9   7   2   10   12   6   9   2   9   11   1   3

A.	
0.450

B.	
0.750

C.	
0.083

D.	
0.250

dumbcow · Answer

20 total numbers , september is 9th month, how many 9's are there?

$$Prob = \frac{num of 9's}{20}$$