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2 Unit AS 2: Applied Mathematics

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Question 78

Harry is late on any school day with probability 0.1, independently of other days. There are 30 school days. Let X X\,X be the number of days on which he is late.

a.

State the distribution of XXX.

[1]
b.

Find P(X=1)P(X=1)P(X=1).

[1]
c.

Find P(X>4)P(X>4)P(X>4).

[1]
d.

Find P(X<3)P(X<3)P(X<3).

[1]
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2 Unit AS 2: Applied Mathematics Questions

  1. A Level
  2. /Maths
  3. /2 Unit AS 2: Applied Mathematics

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