Lawson Reese
09/30/2024 · Middle School

A survey found that 24\% of third-level students in a particular country find mathematics more approachable after their first year at university. In a follow-on study, 20 third-year students are randomly selected. What is the expected number of third-year students that would still not find mathematics more approachable than when entering university? 4.8 3.6 15.2

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The expected number is 15.2.

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