Test 3.35 and concludes 3.3 or Two Strand (ii) correct trials [3.25, 3.35] bracket Q1 Using 2 dp to ensure 1 dp 0 and 3.3 for final answer Q Additional Guidance Mark 13 CORRECT ANSWER WITH NO WORKING SCORES ZERO 2 → – 1.4(…) → – 0.8(…) → – 0.15(…) or 0.2 → – – 0.556(…) or 0.56 or 0.6 → 1.3(…) → 2.1(…) → 2.996(…) or 3 → 3.9(…) → 4.9(…) → 6 → 3.3 0.15(…) or 0.2 → – – 3.31 0.082 3.32 → – 0.013 → – 3.33 0.056 3.34 → 0.126 3.35 → → 0.196 3.36 0.267 → 3.37 0.339 3.38 → → 0.411 3.39 0.483 → 3.4 0.556(…) or 0.56 or 0.6 → Also useful 3.25 0.486 → – costs (£)1.2(0) B1 oe 14 M1 oe 1.
Test 3.35 and concludes 3.3 or Two correct trials [3.25, 3.35] bracket 0 and 3.3 for final answer Q1 Strand (ii) Using 2 dp to ensure 1 dp Q Additional Guidance Mark 13 CORRECT ANSWER WITH NO WORKING SCORES ZERO → – 2 → – 1.4(…) → – 0.8(…) → – 0.15(…) or – 0.2 → 0.556(…) or 0.56 or 0.6 → 1.3(…) → 2.1(…) → 2.996(…) or 3 → 3.9(…) → 4.9(…) → 6 3.3 → – 0.15(…) or – 0.2 3.31 → – 0.082 3.32 → – 0.013 3.33 → 0.056 3.34 → 0.126 3.35 → 0.196 3.36 → 0.267 3.37 → 0.339 3.38 → 0.411 3.39 → 0.483 3.4 → 0.556(…) or 0.56 or 0.6 Also useful 3.25 → – 0.486 14 costs (£)1.2(0) B1 oe 1. M1 oe
November-2014-Paper-2-Mark-Scheme1.docx