Question

will fan+medal!! PLEASE HELP!!

A school has an equal number of boys and girls. You use a coin to simulate the first three students to arrive at school each day, where "heads" represents boy and "tails" represents girl. The table shows a sample of 20 coin tosses. Table:
http://gyazo.com/cfd04a7db5189184e60182310cf7b4b8

Find the experimental probability that the first three students to arrive at the school are boys.
a. 3/20
b. 1/5
c. 3/10
d. 1/4

Answer 1

The answer is B 1/5

Answer 2

thanks, help with one more question?

Answer 3

Sure

Answer 4

Find the experimental probability that two out of the first three students to arrive at the school are girls.
a. 1/5
b. 1/4
c. 2/5
d. 1/8

Answer 5

Answer is C 2/5

Answer 6

thank you!!!

Answer 7

yep

Answer 8

how to u get money?