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A toy manufacturer claims that the mean time that its top selling toy captures children's attention is at least 35 minutes, Suppose that we

A toy manufacturer claims that the mean time that its top selling toy captures children's attention is at least 35 minutes, Suppose that we doubt this claim and we carry out a hyYpothests test to see if we can refute the daim. State the null hypothesis H, and the alternative hypothesis H, that we would use for this test. Ho:0 OSD

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