Question: Can I get help as soon as possible please? Suppose it has been previously claimed that the proportion of people in a certain large population

Can I get help as soon as possible please?

Suppose it has been previously claimed that the proportion of people in a certain large population that own a smartphone is 0.65. A researcher wishes to investigate this, obtains a sample of 1350 people from this population. and finds that 667 of these people own a smartphone. As part of the analysis they want to carry out a Z test, testing the null hypothesis that the true proportion of people in this population that own a smartphone is 0.65. What is the value of the appropriate Z test statistic? (Give your response to at least 3 decimal places. Give only your numeric response, and not any extra characters or symbols. But include a minus sign if the number is negative!) Your Answer: Your

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