The dot plot shows the number of push-ups that 13 members of a fitness class can do in one minute.
- What is the probability that a member selected at random from the class can do more than 38 push-ups in one minute? (1 mark)
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- A new member who can do 32 push-ups in one minute joins the class.
Does the addition of this new member to the class change the probability calculated in part (i)? Justify your answer. (1 mark)
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