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junior college 2 | H2 Maths
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Date Posted: 4 years ago
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done
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clear
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not very sure about answer for part (a), although it looks like the logical way to do.
quite an interesting question here … not your usual type of probability question ... is this really from H2 Maths?
quite an interesting question here … not your usual type of probability question ... is this really from H2 Maths?
Date Posted:
4 years ago
for part (a), why is the answer not just 0.2x0.2x0.2 = 0.008?
consider flipping 3 coins, the outcomes are independent. probability of getting 3 heads is 0.5x0.5x0.5 = 0.125.
for this question, the outcomes are not independent. the probability of pay or no pay in a particular month, depends on the events of the previous month.
consider flipping 3 coins, the outcomes are independent. probability of getting 3 heads is 0.5x0.5x0.5 = 0.125.
for this question, the outcomes are not independent. the probability of pay or no pay in a particular month, depends on the events of the previous month.
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