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19 August, 23:36

Fair spinner A has 4 equal sections labeled 1,2,3,4. Fair spinner B has 4 equal labled 2,3,4,5. each spinner is spun once and the numbers are addedd. work out the probabilty that the total is 5 or less. give ur answer as a fraction.

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  1. 19 August, 23:39
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    P = 3/8

    Step-by-step explanation:

    Each spinner has 4 possible outputs, so if each spinner is spun once, we have a total of 4*4=16 outputs:

    (1,2), (1,3), (1,4), (1,5),

    (2,2), (2,3), (2,4), (2,5),

    (3,2), (3,3), (3,4), (3,5),

    (4,2), (4,3), (4,4), (4,5).

    The total of these outputs is:

    3, 4, 5, 6,

    4, 5, 6, 7,

    5, 6, 7, 8,

    6, 7, 8, 9.

    We have a total of 6 outputs where the total is 5 or less, so the probability of the total being 5 or less is:

    P = N (5 or less) / N (total)

    P = 6 / 16 = 3/8
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