Whitney has £12 pocket money. She spends 50% of her pocket money on

magazines.

She spends 33 one thirds%

of her pocket money on apps.

How much pocket money does she have left?

Show the steps in your working.

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Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true