Question

SEE QUESTION IN IMAGE

Answer 1

• See below

Explanation:

(b)

• The table is attached

(i)

• The graph is attached

(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. The number of candidates passed the test:

• 500 - 177 = 323

(iii) P(pass) = 323/500 = 0.626 or 62.6%