Psychic after all? The “psychic” friend from Exercise 2 correctly identified more than 25% of the cards. a) A hypothesis test gave a P-value of 0.014. What do you conclude? b) What would you conclude...

Psychic after all? The “psychic” friend from Exercise 2 correctly identified more than 25% of the cards.

a) A hypothesis test gave a P-value of 0.014. What do you conclude?

b) What would you conclude if the P-value had been 0.245?

2.  Psychic A friend of yours claims to be psychic. You are skeptical. To test this you take a stack of 100 playing cards and have your friend try to identify the suit (hearts, diamonds, clubs, or spades), without looking, of course!

a) State the null hypothesis for your experiment.

b) State the alternative hypothesis.