Probability

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Question 53

There are 30 pens in a box. 12 of the pens are black. 7 of the pens are green. The probability that the pen is red is $1130\displaystyle \frac{11}{30}$ . One of the pens is chosen at random.

Find the number of pens that are red.

[2]

Probability

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Question 53

There are 30 pens in a box. 12 of the pens are black. 7 of the pens are green. The probability that the pen is red is $1130\displaystyle \frac{11}{30}$ . One of the pens is chosen at random.

Find the number of pens that are red.

[2]

Probability

Question 53

Markscheme

Probability

Question 53

Markscheme

Probability

Question 53

Probability Questions

Probability

Question 53

Probability Questions