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Given the following data of a Vacuum sales for one dealer summarized in the following contingency table: Type of Vacuum With Warranty Without Warranty Total

Given the following data of a Vacuum sales for one dealer summarized in the following contingency table:

Type of Vacuum With Warranty Without Warranty Total
Miele Complete 19 85 104
Meile Compact 18 135 153
Dyson Upright 92 35 127
Dyson Stick 77 39 116
Total 206 294 500

Calculate: (Give your answer to four decimal places where possible DO NOT LEAVE as a fraction)

1) The probability that a customer buys a vacuum with a warranty. (1 mark)

2) The probability that a customer bought a vacuum without a warranty AND it was a Dyson Upright Model.(1 mark)

3) The probability that a customerbought a vacuum without a warranty OR it was a Dyson Upright Model. (2 marks)

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