Austin decided to give Taylor Swift another chance. So, he listened through all her songs from 2009. There were 8 in total. Let the random variable X be the number of songs in which she complained about some boy. The probability of complaining about a boy is 56%. (a) What is the probability distribution function of X? (b) T/F, the probability that Taylor Swift complains about a boy in at least 2 songs equals the probability that Taylor Swift complains about a boy in more than 1 songs. (c) What is the expected number of songs that Taylor Swift will complain about a boy in?

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Austin decided to give Taylor Swift another chance. So, he listened through all her songs from 2009. There were 8 in total. Let the random variable X be the number of songs in which she complained about some boy. The probability of complaining about a boy is 56%.


(a) What is the probability distribution function of X?

(b) T/F, the probability that Taylor Swift complains about a boy in at least 2 songs equals the probability that Taylor Swift complains about a boy in more than 1 songs.

(c) What is the expected number of songs that Taylor Swift will complain about a boy in?

 

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