In a market research study involving eleven people, seven preferred Product X, three preferred Product Y and one expressed no preference. A sign test is selected using the 0.05 level of significance. What is the null hypothesis?

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The Answer of In a market research study involving eleven people, seven preferred Product X, three preferred Product Y and one expressed no preference. A sign test is selected using the 0.05 level of significance. What is the null hypothesis?

In a Market Research Study Involving Eleven People, Seven Preferred