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cpl106:
A fair, unbiased coin was flipped 10 times, giving the results shown in the table, where T = tails and H = heads.
Flip 1 2 3 4 5 6 7 8 9 10
Result T T T H T T T H T T
What is the difference between the theoretical and experimental probabilities of getting heads?
A.
0.5
B.
0.0
C.
0.1
D.
0.3
5 years ago
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cpl106:
5 years ago
jimthompson5910:
How many times does heads show up in the table?
5 years ago
cpl106:
8
5 years ago
jimthompson5910:
check again
5 years ago
jimthompson5910:
count how many times "H" shows up
5 years ago
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cpl106:
2
5 years ago
jimthompson5910:
yes
5 years ago
cpl106:
i read it wrong mu bad
5 years ago
jimthompson5910:
so we divide that over the total number of flips (10)
that will give us the experimental probability (aka empirical probability)
5 years ago
jimthompson5910:
what do you get for the experimental probability?
5 years ago
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cpl106:
0.5
5 years ago
jimthompson5910:
A = number of heads in the table = 2
B = number of flips = 10
A/B = ?
5 years ago
cpl106:
5?
5 years ago
jimthompson5910:
2/10 = ?
5 years ago
jimthompson5910:
you might be doing 10/2 which is the wrong order
5 years ago
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cpl106:
0.2
5 years ago
jimthompson5910:
yes
5 years ago
jimthompson5910:
Now for the theoretical probability 1 side is heads and there are 2 sides
1/2 = 0.5 is the theoretical probability of getting heads
5 years ago
jimthompson5910:
the last thing you do is subtract the theoretical and experimental probabilities
5 years ago
cpl106:
0.3?
5 years ago
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jimthompson5910:
yes
5 years ago
cpl106:
ty
5 years ago
jimthompson5910:
no problem
5 years ago
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