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Mathematics, 15.01.2021 19:10 xjuju1030

Davina works at a call centre. The time taken to another each call is recorded in whole seconds. This morning, Davina answered 6 calls within 15-29 seconds and two thirds as many within 30-44 seconds.

Davina thinks she answered at least 55% of calls in fewer than 30 seconds
Is she right or wrong

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Answers: 3

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Davina works at a call centre. The time taken to another each call is recorded in whole seconds. Th...
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