4.

According to classical probability, what should be the number of

a)i) 0 heads ii) 1 head iii) 2 heads (when flipping 2 coins with 10 trials, 20 coin flips in total either heads or tails)

b) what should be the mean number of heads in part a above using the following:

i) 10 trials (using 2 coins)

ii) 100 trials (using 2 coins)

c) According to classical probability, what should be the mean number of heads when flipping 8 coins in 20 trials (a total of 160 coin flips)

d) according to classical probability, what should be the probability of getting a third heads after tossing two heads? (when flipping 3 coins, and the first 2 coins show heads.