CAPE Applied Mathematics Unit 2 · 2008 (second paper) · Paper 2
35 questions and parts from this paper. Open one to see it in full, then practise it on Quelpr and get it marked against the mark scheme.
- 1(a)12 marksFormulate a linear programming model to determine the number of each product that maximizes the profit.
- 1(b)9 marksUsing the answer graph sheet provided, graph the inequalities of the linear programming model and identify the feasible region.
- 1(c)4 marksObtain the maximum profit and state the number of each product manufactured that gives this profit.
- 2(a)3 marksExpress in words: ~p ^ ~q.
- 2(b)3 marksDetermine the truth value of the statement: 'London is in England or 2 x 3 = 5'.
- 2(c)5 marksBy constructing the truth table for the proposition (p ^ q) => (p v q), determine whether this proposition is a tautology or a contradiction.
- 2(d)(i)4 marksRepresent the Boolean expression (A ^ ~B) v [(~A v C) ^ B] as a switching circuit.
- 2(d)(ii)5 marksRepresent ~a ^ (a v b) as a logic circuit using only AND, OR and NOT gates.
- 2(e)5 marksUse the laws of Boolean algebra to show that the Boolean expression (A ^ B) v (A ^ ~B) v (~A ^ ~B) is equivalent to A v ~B.
- 3(a)4 marksDetermine how many odd numbers greater than 500 000 can be made from the digits 4, 5, 6, 7, 8 and 9 if repetitions are allowed.
- 3(b)(i)2 marksDetermine the number of ways of choosing the team if there are no restrictions.
- 3(b)(ii)3 marksDetermine the number of ways of choosing the team if it contains exactly two girls.
- 3(b)(iii)4 marksDetermine the number of ways of choosing the team if it contains more girls than boys.
- 3(c)(i)2 marksFind P(A).
- 3(c)(ii)3 marksFind P(B).
- 3(c)(iii)5 marksFind P(A' ∩ B').
- 3(d)2 marksState, with reason, whether A and B are mutually exclusive events.
- 4(a)(i)2 marksShow that k = 1/10.
- 4(a)(ii)3 marksCalculate E(X).
- 4(a)(iii)3 marksShow that P(Y = 4) = 1/10.
- 4(a)(iv)6 marksTabulate all the possible values of Y with their corresponding probabilities.
- 4(a)(v)5 marksHence, or otherwise, calculate E(Y) and Var(Y).
- 4(a)(vi)2 marksDetermine E(3X + 2Y).
- 4(b)4 marksThe random variable X has a Poisson distribution with mean 1.5. Calculate the probability that X is at least 2.
- 5(a)(i)3 marksState the principle of conservation of energy.
- 5(a)(ii)3 marksState the principle of conservation of linear momentum.
- 5(b)(i)8 marksCalculate the kinetic energy after impact.
- 5(b)(ii)11 marksCalculate the distance and the time required to bring the vehicle to rest by a braking force of 1000 N applied immediately after the impact.
- 6(a)3 marksCalculate the greatest height reached by the first particle.
- 6(b)(i)2 marksFor the first particle, calculate the distance travelled at the end of 5 seconds horizontally.
- 6(b)(ii)3 marksFor the first particle, calculate the distance travelled at the end of 5 seconds vertically.
- 6(b)(iii)4 marksHence, determine the value of u cos α.
- 6(b)(iv)4 marksHence, determine the value of u sin α.
- 6(b)(v)4 marksHence, determine the value of u.
- 6(b)(vi)5 marksHence, determine the value of α.