Data task 15: A New Zealand Level 3 learner evaluates evidence and justifies a conclusion in a complex context. A decision yields $30 with probability 0.26 and loses $7 otherwise. What is the expected value?

Data task 15: A New Zealand Level 3 learner evaluates evidence and justifies a conclusion in a complex context. A decision yields $30 with probability 0.26 and loses $7 otherwise. What is the expected value?

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