Cumulative Age (t frequency 20 < 30 t ⩽ 20 < 40 t ⩽ 20 < 50 t ⩽ 20 < 60 t ⩽ 20 < 70 t ⩽ 20 < 80 t ⩽ (1) (c) On the grid, draw a cumulative frequency graph for your table. (2) All of these adults with an age greater than 65 years receive a discount on their shopping bill. (d) Use your graph to find an estimate for the number of these adults who receive a discount. ......................................... (2) (Total for Question 11 is 7 marks) ___________________________________________________________________________ (a) 0.000 451 in standard form. 12 ......................................... (1) (b) Work out Give your answer in standard form.
Age (t Cumulative frequency 20 < t ⩽ 30 20 < t ⩽ 40 20 < t ⩽ 50 20 < t ⩽ 60 20 < t ⩽ 70 20 < t ⩽ 80 (1) (c) On the grid, draw a cumulative frequency graph for your table. (2) All of these adults with an age greater than 65 years receive a discount on their shopping bill. (d) Use your graph to find an estimate for the number of these adults who receive a discount. ......................................... (2) (Total for Question 11 is 7 marks) ___________________________________________________________________________ 12 (a) 0.000 451 in standard form. ......................................... (1) (b) Work out Give your answer in standard form.