Study Statistics revision pack for A-Level. Useful for revision, homework, and exam preparation in Zimbabwe.
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This is the A-Level Statistics revision pack from 2022. It is a free revision pack for revision. Time allowed: 1 hour 30 minutes.
A' LEVEL STATISTICS 2022 FINAL REVISION TEST 4 TIME: 1 hour 30 minutes (...) Marks Answer all questions. [If a numerical answer cannot be given exactly, and the accuracy required is not specified in the question, then in the case of an angle it should be given correct to the nearest degree, and in other cases it should be given to 2 significant figures.] schingwingwi7@gmail.com / +263784089807 Sharewell B. C 1. A school selects $55 \%$ of its lower sixth pupils from its own 0 level pupils and the remainder comes from other schools. It is established that $90 \%$ of accepted A-level students who did their O-level outside the school pass their A-level studies, and that $70 \%$ of those who did their 0-level studies at the school pass their A-level studies. A pupil is selected at random from the recent A-level graduate of the school. a) Find the probability that the pupil, i) passes A-level studies, [5] ii) did O-level outside the school, given that the pupil passes A-level studies... [3] 2. A student has 10 different mathematics books, 6 on Pure Mathematics and 4 on Statistics. Find the number of different ways in which the books can be arranged on a shelf given that; a) all the Pure Mathematics books are together and all the statistics books are together, [4] b) all the Pure Mathematics books are together. [4] 3. A continuous random variable, X has a probability density function given by