Question 5 (ii) The following table gives the life times of neon lamps: Length (in hours)Number of lamps300−40014400−50056500−60060600−70086700−80074800−90062900−100048 (ii) How many lamps have a life time of more than 700 hours?

Question 5 (ii) The following table gives the life times of neon lamps

1.	Question 5 (ii) The following table gives the life times of neon lamps: Length (in hours)Number of lamps300−40014400−50056500−60060600−70086700−80074800−90062900−100048 (ii) How many lamps have a life time of more than 700 hours?
Answer» Question 5 (ii) The following table gives the life times of neon lamps: $\begin{matrix} L e n g t h (i n h o u r s) & N u m b e r o f l a m p s 300 - 400 & 14 400 - 500 & 56 500 - 600 & 60 600 - 700 & 86 700 - 800 & 74 800 - 900 & 62 900 - 1000 & 48 \end{matrix}$ (ii) How many lamps have a life time of more than 700 hours?