A toy manufacturer claims that the mean time that its top-selling toy captures children's attention is at least 30 minutes. Suppose that we doubt this claim and we carry out a hypothesis test to see if we can refute the claim. State the null hypothesis H, and the alternative hypothesis H, that we would use for this test.

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A toy manufacturer claims that the mean time that its top-selling toy captures children's attention is at least 30 minutes. Suppose that we doubt this claim and
we carry out a hypothesis test to see if we can refute the claim. State the null hypothesis H, and the alternative hypothesis H, that we would use for this test.
H :0
O<O
OSO
O20
O=0
Ix
Transcribed Image Text:A toy manufacturer claims that the mean time that its top-selling toy captures children's attention is at least 30 minutes. Suppose that we doubt this claim and we carry out a hypothesis test to see if we can refute the claim. State the null hypothesis H, and the alternative hypothesis H, that we would use for this test. H :0 O<O OSO O20 O=0 Ix
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