A group of researchers tested whether snakes tend to choose a warm resting site

Question

A group of researchers tested whether snakes tend to choose a warm resting site when both a warm site and a cool site are presented to them. Their hypotheses were H0 = Snakes do not prefer the warmer site. And HA = Snakes prefer the warmer site. They carried out the experiment, and with their data calculated a one-tailed P-value of P = 0.03. If they were using an value of 0.05, and instead of a one-tailed test, used a two-tailed test, what would the P-value have been? Include the leading zero, and state your answer with two significant figures.

Explanation / Answer

for one-tailed p-value = 0.03   

for one-tailed test

p-value =P( T > |T|)

for two-tailed p-value =

= 2 P( T > |T|)

0.03 *2 = 0.06

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