Mathematics, 14.06.2020 18:57, TheMixingToad
Four biased coins, A, B, C and D are thrown.
The probability that each coin will land on Heads is shown in the table.
Coin Probability a) (i) Which coin is least likely to land on Heads?
A
0.66
b
(1)
B
0.066
с
2
(ii) Which coin is most likely to land on Heads?
3
D
(1)
60%
с
b) What is the probability that D will land on Tails?
40% (1)
Coin B is going to be thrown 4000 times.
c) Work out an estimate for the number of times
coin B will land on Heads.
(2)
0.066 x 4,000 = 3,986
4,000 - 3,986 = 14 times
Total marks: 5
Answers: 3
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