MS 150 Statistics Quiz 6 Pennies · Name:







Heads Frequency Relative Freq


7 8 0.01 0.05

6 45 0.04 0.26

5 179 0.18 0.88

4 272 0.27 1.07

3 303 0.30 0.89

2 155 0.15 0.3

1 47 0.05 0.05

0 10 0.01 0


1019 1 3.51







Based on the relative frequency data above...

1 ________ What is the probability of five heads and two tails on a throw of seven pennies?
2 ________ What is the probability of two or fewer heads on a throw of seven pennies?
3 ________ What is the average number of heads that come up on tosses of seven pennies?


(The answer to three is a single specific number)
4 ________ What is the shape of the distribution below?
5 ________ Were you told to toss the pennies in a way that would yield the shape seen below?