Zach said he would help Stuart clean his room if Stuart ﬂips a coin 4 times and gets heads all 4 times. What is the probability that Stuart will ﬂip a coin 4 times and get heads all 4 times?

Choices-
A- 1/16
B- 1/8
C- 1/4
D- 1/2
I am super confused I think it is C but I don't know can someone help me or guide me. Thanks!

8 answers

each flip is an independent event
... with the probability of heads being 1/2

the probability of multiple independent events is
... the product of their individual probabilities

So C?

I mean D.

D. yes

I think…?

wait no sorry its 4 times not just once

1/2 * 1/2 * 1/2 * 1/2 = ?

that's 2