A psychology experiment on memory was conducted which required participants to note which songs they found pleasing. Based on many results, the (partial) probability distribution below was determined for the discrete random variable X = number of songs found pleasing (during a fixed time period).

col1 X = # songs 1 2 3 4 5 6 7 8 9 10
col2 Probability 0 0.02 0.04 0.07 0.15 0.18 0.24 0.14 0.11 0.05
Given that the person finds at least 7 songs pleasing to the ear, what is the probability that they find 8 songs pleasing to the ear? Please round to the second decimal point.

The mere-exposure effect is a psychological phenomenon by which people tend to develop a preference for things merely because they are familiar with them. In social psychology, this effect is sometimes called the familiarity principle. The effect has been demonstrated with many kinds of things, including words, Chinese characters, paintings, pictures of faces, geometric figures, and sounds.[1] In studies of interpersonal attraction, the more often someone sees a person, the more pleasing and likeable they find that person.

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