To find value of sample proportion

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Reference no: EM1319112

To find value of sample proportion.

1. Eighty-eight shoppers were interviewed at random, and 59 said that they prefer to shop alone.

a. What is the value of q-hat?

b.. Find a 90% confidence interval for p.

2. A sample of 19 albino Hungarian banded aardvarks was examined for nose length. Since this is a small sample, how various degrees of freedom will be used to find the t-score?

Reference no: EM1319112

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