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Mathematics, 22.07.2019 17:10 aredwolf2017

It is known that roughly 2/3 of all human beings have a dominant right foot or eye. is there also right-sided dominance in kissing behavior? an article reported that in a random sample of "115" kissing couples, both people in 70 of the couples tended to lean more to the right than to the left. (use α = 0.05.) (a) if 2/3 of all kissing couples exhibit this right-leaning behavior, what is the probability that the number in a sample of 115 who do so differs from the expected value

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