A tyre company records distances before replacement in 1000 cases. | Distance (km) | Less than 4000 | 4001 to 9000 | 9001 to 14000 | More than 14000 | |---|---|---|---|---| | Number of cases | 20 | 210 | 325 | 445 | Find the probability that a randomly chosen tyre lasts:

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CASE_STUDIESEmpirical Probability from Experimental Data3 sub-questions

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Suppose you anonymously collect information regarding the favourite fruit of 50 students in your class. Let us assume that the results are: 20 students like mango, 15 students like apples, 10 students like bananas, and 5 students like grapes. Suppose we randomly pick one student from the class and try to guess their favourite fruit. What's the probability that the student's favourite fruit is mango?

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A teacher mixes a large bag of sweets of different colours and randomly selects a sample of 30 sweets. She counts the number of sweets of each colour: 10 red sweets | 8 green sweets | 7 yellow sweets | 5 blue sweets

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