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A researcher wants to see if there is a relationship between birth order and personality

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1. A researcher wants to see if there is a relationship between birth order and personality. A sample of n = 100 people is obtained, all of whom grew up in 3-child families. On the basis of the frequencies shown below, can the researcher conclude that there is a significant difference at the .05 level?

2. In an ESP experiment, the participants are required to predict the color (red or black) of a card drawn randomly from a complete deck. If a participant correctly identifies the color for 38 out of 64 trials, is that person performing significantly better than chance? Test at the .05 level of significance.

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Solution Summary

This solution provides steps to determine whether there is a significant difference at the 0.05 level.

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