Here is a biased 4-sided spinner. The table gives the probabilities that, when the spinner is spun once, it will land on 1 or it will land on 3 The probability that the spinner will land on 2 is equal to the probability that the spinner will land on 4 Ravina is going to spin the spinner a number of times. Ravina works out that an estimate for the number of times the spinner will land on 3 is 45 Work out an estimate for the number of times the spinner will land on 4

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