This Friday, Nicholas has a French vocabulary test as well as a Spanish vocabulary test. To prepare, he made a study card for each word, 40% of which are French. Every time he picks a card, he sticks it back in the deck and shuffles again. If Nicholas picks a study card from the deck 4 times during his first study session, what is the mean of the number of study cards with French vocabulary words? Write your answer as a decimal. You answered: 5

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