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1. (a) A sample of 750 male and female drivers in East Sussex were classied according to whether the driver was ticketed for speeding or

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1. (a) A sample of 750 male and female drivers in East Sussex were classied according to whether the driver was ticketed for speeding or not in 2019. The table below provides a summary of the ndings by ticketing and gender: Table 1: ticketing and gender Ticketed for speeding Not ticketed for speeding Males 26 224 Females 27 473 Use a goodness-of-fit test with a significance level of o: = 5% to test whether there is any association between receiving a speeding ticket and gender. [35 marks] (b) A trader notes the following pattern of daily price movements in a stock are expressed as rises (+) or falls (-) over a 22 day trading period, ++++++++++ Test whether these price movements are random at a significance level of a = 5% [25 marks]

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