DP Mathematical Studies Questionbank

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• 18M.1.sl.TZ2.7c: Two girls are selected at random. Calculate the probability that one girl answered questions in...
• 18M.1.sl.TZ2.7b: Find the probability that the boy answered questions in Hindi.
• 18M.1.sl.TZ2.7a: State the number of boys who answered questions in Portuguese.
• 18M.2.sl.TZ1.2h: Two flights are chosen at random from those which were slightly delayed. Find the probability...
• 18M.2.sl.TZ1.2f: Write down the probability that this flight arrived on time.
• 18M.2.sl.TZ1.2e: State, with a reason, whether you would reject the null hypothesis.
• 18M.2.sl.TZ1.2d.ii: Write down the associated p-value.
• 18M.2.sl.TZ1.2d.i: Write down the χ2 statistic.
• 18M.2.sl.TZ1.2c: Write down the number of degrees of freedom.
• 18M.2.sl.TZ1.2b: Calculate the expected frequency of flights travelling at most 500 km and arriving slightly delayed.
• 18M.2.sl.TZ1.2a: State the alternative hypothesis.
• 17M.1.sl.TZ2.7c: Find the value of \(x\) and of \(y\).
• 17M.1.sl.TZ2.7b: Using the mean score, write down a second equation in terms of \(x\) and \(y\).
• 17M.1.sl.TZ2.7a: Write down an equation, in terms of \(x\) and \(y\), for the total number of times the die was...
• 17M.1.sl.TZ1.1d: Any trout with length 40 cm or less is returned to the lake. Calculate the percentage of the...
• 17M.1.sl.TZ1.1c: Write down the modal class.
• 17M.1.sl.TZ1.1b: State whether length of trout is a continuous or discrete variable.
• 17M.1.sl.TZ1.1a: Complete the following table.
• 11M.1.sl.TZ2.6a: Find the mean number of goals scored per match.
• 11M.1.sl.TZ2.6b: Find the median number of goals scored per match.
• 13M.1.sl.TZ2.4a: Write down the value of (i) t ; (ii) w .
• SPM.2.sl.TZ0.1a: Write down the mode.
• 08N.1.sl.TZ0.2a: Complete the following table for the grades obtained by the students.
• 15M.1.sl.TZ2.4a: Write down the value of the median for these results.
• 15M.2.sl.TZ2.4a: Using your graphic display calculator, write down the value of (i)     the mean of the diameters...
• 14N.1.sl.TZ0.3b: Write down (i)     the number of hens on the farm; (ii)     the modal number of eggs laid.
• 14N.1.sl.TZ0.3a: State whether these data are discrete or continuous.
• 14N.1.sl.TZ0.3c: Calculate (i)     the mean number of eggs laid; (ii)     the standard deviation.