Asked by moby

max flipped a pair of coins 60 times. On 24 occasaions, heads appeared on both coins. How is this outcome different from the expected outcome?



It occurred 9 more times than expected.
It occurred 4 more times than expected.
It occurred 6 fewer times than expected
It occurred the expected number of times.
Answered by Ms. Sue
We've helped you with many questions. Now it's your turn. We'll be glad to check your answer.
Answered by Damon
there are four possible outcomes of flipping a pair

h h
h t
t h
t t

so you should get h h
60/4 = 15 times
we got it 24 or 9 more times than expected
Answered by moby
Ok sorry. :(

Answered by moby
Thank I am really trying really hard to understand. I got other ones I haven't posted here. I just ask for the ones I tried over and over again. Thank you.
Answered by moby
I am writing what you wrote Damon in my math note book. Thanks.
Answered by moby
Can you delete m questions today?
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