freddie throws a beanbag. for every 10cm over 3.5m that he throws it he is sponsored 37p. hoe much will he raise if he throws the beanbag 480cm
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The total outcomes is 36. and the probability of 5 comes in 4 chances, and the probability of 7 comes in 6 chances.
The formula to find teh answer is 1 - p(5) plus p (7).
The answer is 26/36.
To find the probability of 5 is Σ (26 / 36)ⁿ⁻¹ (4 / 36)
= (4 / 36) Σ (26 / 36)ⁿ⁻¹
= 2 / 5.
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