Question

The probability density function for the volume, X millilitres, of tonic water in small bottles is shown by the following graph.

(a) Show that the value of the constant c, as used on the vertical axis, is 2/47.
(4)
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(b) State the probability that a bottle contains exactly 250 ml of tonic water.
(1)
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(c) Determine the probability that a bottle contains between 249 ml and 252 ml of tonic water.
(3)
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Answer 1

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