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There are 10 marbles in the bag below. 3 of the marbles are red, 6 are purple and 1 is green.

A marble is picked at random from the bag. Work out the probability that the marble is red, P(red),
as
a) a decimal.
b) a percentage.​

There are 10 marbles in the bag below 3 of the marbles are red 6 are purple and 1 is green A marble is picked at random from the bag Work out the probability th class=

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rudymartinez

Answer:

p(red) as a decimal 0.6

p(red) as a percentage is 60%

Explanation:

Solution: P (red) = 6/10 = 3/5a) a decimal: 3/5 = 3 ÷ 5 = 0.6b)

a percentage: 3/5 = 3 × (100/5) = 3 × 20/5 × 20 = 60/100 = 60%

n/m is a fraction and the formula for converting it to percentage is: n/m = n(100/m)/m(100/m) = 100 n/m/100 = (100n/m)%

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