# Statistics

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**Oops**
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Your mathematics instructor claims that, over the years, 88% of his students have said that math is their favorite subject. In this year's class, however, only 21 out of 32 students named math as their favorite class. The teacher decides to conduct a test of the hypothesis H0 : P = .88. What's the correct value of the standard deviation of σ for this test.

0.045

0.057

0.064

0.088

0.073