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The population proportion of people who are left-handed is approximately 0.10. A researcher
wishes to do research on handedness (an individual's preferential use of one hand). Suppose she
plans to take a random sample of 150 people and then calculate the sample proportion of people
who are left-handed. What is the shape of the sampling distribution? Justify your answer,
including calculating np and n ( 1 p ) . Be sure to include any necessary calculations, don't just
state final answers.

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The population proportion of people who are left-handed is approximate.pdf

  • 1. The population proportion of people who are left-handed is approximately 0.10. A researcher wishes to do research on handedness (an individual's preferential use of one hand). Suppose she plans to take a random sample of 150 people and then calculate the sample proportion of people who are left-handed. What is the shape of the sampling distribution? Justify your answer, including calculating np and n ( 1 p ) . Be sure to include any necessary calculations, don't just state final answers.