Mathematics, 13.04.2021 18:50 ella3714

mr. Smith claims that 20% of students have at least two cell phones: one phone that works, and one broken phone they use as a decoy for when teachers ask them to hand in their phone because they are spending all of their class time looking at it instead of learning. mr. novotny takes a random sample of 500 students and finds that 88 have two or more cell phones. at α = 0.05, test mr. Smith claim

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mr. Smith claims that 20% of students have at least two cell phones: one phone that works, and one b...