Hypothesis Test. Researchers suggest that, nationwide, college student populations have about 10% Type A personalities. Does...

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Hypothesis Test. Researchers suggest that, nationwide, college student populations have about 10% Type A personalities. Does...

Hypothesis Test. Researchers suggest that, nationwide, college student populations have about 10% Type A personalities. Does North Georgia have a higher percentage? A recent survey showed a sample of 155 North Georgia students contained 22 students with Type A personalities.

Question: In words, what is the null hypothesis?

Question 6 options:

	North Georgia has a higher percentage of Type A personalities as the nationwide population.
	North Georgia has a lower percentage of Type A personalities as the nationwide population.
	North Georgia has an identical percentage of Type A personalities as the nationwide population.
	None of these.

math Statistics-And-Probability

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Answer 1

Answer #1

Null hypothesis is the hypothesis of no difference. Hence, to test if north Georgia have higher percentage, we consider the null hypothesis to be the percentage in North Georgia will be same as nation wide population percentage. Hence the correct answer is:

H0: north Georgia has an identical population percentage of type A personalities as the Nationwide population.

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Answer 2

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