5.1 Thabo sees an advertisement for a fridge at Bill’s Furniture Shop and
wants to buy it. He has R5 100, 45 in his bank account.
5.1.1 Identify the capacity of the advertised fridge in milliliters. (3)
5.1.2 Write down the meaning of “interest rate”. (2)
5.1.3 Calculate the amount Thabo owes the furniture shop after the deposit has been paid. (2)
5.1.4 Calculate the total interest Thabo will pay, if Bill’s Furniture Shop charges simple interest at a rate of 21,75% per annum on the balance after the deposit has been paid. (3)
5.2 The following data was taken from 15 Grade 11 Mathematics Learners School Based Assessment (SBA) mark in percentages.
5.2.1 Determine the SBA median percentage. (2)
5.2.2 Determine the interquartile range of the SBA percentages. (3)
5.2.3 Determine the probability that a learner randomly selected will have a percentage of more than 40%. Give your answer in a simplified fraction. (3)
[18]
TOTAL: 100