Each day Julia's math Teacher gives class a warm up qs. It's

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Each day Julia's math Teacher gives class a warm up qs. It's true/false 20% of the times and multiple choice 80% . Julia gets 70% on true false correct and 90% on multiple choice correct. Julia answered today's question correctly. What's the probability that it was a multiple choice ?

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.90 * .80 = ?

0.72

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