Answer:
Step-by-step explanation:
(b)
(i)
(ii)
(a) Cumulative frequency is 500, median is at 249, 250, the horizontal line from point 250 on y-axis intersecting the graph at approximately 52%, this is the median
(b) Vertical line from the 45% mark intersects the graph at approximately 177th point.
<u>The number of candidates passed the test:</u>
(iii) P(pass) = 323/500 = 0.626 or 62.6%
<span> x = -3 x = 9<span> x = -9 that is it 3 ways to answer</span></span>