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# (b) Of the group 95 weigh less than k kilograms. Find the value of k.

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(1)

IB Questionbank Maths SL 1

(Total 6 marks)

(Total 6 marks)

(2)

## (b) Given that P(X > a) = 0.27, find a.

(4) (Total 6 marks)

(2)

IB Questionbank Maths SL 2

(3)

## (ii) Find the value of k.

(5) (Total 8 marks)

(2)

(2)

## (c) Given that P(X > 105) = 0.16 (correct to two significant figures), find P(d < X < 105).

(2) (Total 6 marks)

(3)

IB Questionbank Maths SL 3

(2)

## of r and of t.

(5) (Total 7 marks)

(Total 8 marks)

(3)

## (b) Given that P (H  d) = 0.6808, find the value of d.

(3) (Total 6 marks)

(4)

IB Questionbank Maths SL 4

(2)

(5)

## replace 4% of the sets. Find the value of x.

(3) (Total 10 marks)

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