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4.4.1 Probability (A-level only)

4.4.1 Probability (A-level only)

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Question 26

A survey of 50 students was conducted to see if they played Football, Basketball, or Tennis.

  • No student played both Football and Tennis
  • 4 students played both Football and Basketball
  • 15 students played Football
  • 18 students played Basketball
  • 14 students played Tennis
  • 12 students did not play any of these sports

A student from this survey is chosen at random.

FFF represents the event that the student plays Football BBB represents the event that the student plays Basketball TTT represents the event that the student plays Tennis

a.

Draw a Venn diagram to illustrate this information.

[3]
b.

State, giving a reason, a pair of mutually exclusive events from F,BF, BF,B and TTT.

[2]
c.

Find the probability that the student plays exactly 2 of these sports.

[2]
d.

Showing your working clearly, determine whether or not the events FFF and BBB are independent.

[2]
e.

Given that a student plays Basketball, find the probability that they also play Tennis.

[2]
f.

Find the exact value of P([F∪T]∣B′)P([F \cup T]|B')P([F∪T]∣B′).

[3]
Markscheme

4.4.1 Probability (A-level only) Questions

  1. A Level
  2. /Maths
  3. /4.4.1 Probability (A-level only)

140 exam-style questions on CCEA A Level Maths 4.4.1 Probability (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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