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The following two-way table summarise the survey result about whether or not mobile phone user use cover to protect their phones, broken down by gender.

The following two-way table summarise the survey result about whether or not mobile phone user use cover to protect their phones, broken down by gender.

Cover No cover

Male 250 69

Female 225 15

What is the proportion ofmaleuser who donotuse cover for their mobile phones? Write your answer up to 4 decimal point.

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