3 years ago

Help please

Mathematics

1 answer:

SVEN [57.7K]3 years ago

7 0

Answer:

9 batteries lasted more than 14 hours

Step-by-step explanation:

Reading the box and whisker plot for Brand X, we identify that:

25% of batteries lasted for 10 - 14 hours and the rest lasted longer than 14 hours.

It means the number of batteries lasted more than 14 hours is:

12*(100 - 25)/100 = 12*3/4 = 9

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