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ma survey of consumers aged 12 and older, respondents were asked how many cell phones were in use by the household. (No two r
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Answer #1

Probability = Freq of particular event / Tota freq

therefore P($ or more phones) = 65 / 1075

Phone Freq Probability
None 211 0.1963
1 286 0.2660
2 369 0.3433
3 144 0.1340
>=4 65 0.0605
Total 1075 1

P(4 or more phones) = 0.0605

= 0.061

Since p > 0.05

It is more than the unusual rate so it usual that is likely.(not unlikely)

Therefore no, it not unlikely since it is more than 0.05

Option D

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