(a) What is the estimated probability that a randomly selected customer downloads three or fewer songs? (b) What is the estimated probability that a randomly selected customer downloads at most three songs? How does this compare to the probability computed in part (a)? O greater than part (a) less than part (a) the same as part (a)

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The manager of an online music store has kept records of the number of songs downloaded in a single transaction by customers who make a purchase at the store. Consider the chance experiment of
observing the number of songs downloaded by a randomly selected customer. The accompanying table gives six possible outcomes and the estimated probability of each of these outcomes.
Number of songs downloaded
1
2
3
4
5
6 or more
Estimated probability
0.30
0.25
0.15
0.15
0.11
0.04
(a) What is the estimated probability that a randomly selected customer downloads three or fewer songs?
(b) What is the estimated probability that
randomly selected customer downloads at most three songs?
How does this compare to the probability computed in part (a)?
O greater than part (a)
O less than part (a)
O the same as part (a)
Transcribed Image Text:The manager of an online music store has kept records of the number of songs downloaded in a single transaction by customers who make a purchase at the store. Consider the chance experiment of observing the number of songs downloaded by a randomly selected customer. The accompanying table gives six possible outcomes and the estimated probability of each of these outcomes. Number of songs downloaded 1 2 3 4 5 6 or more Estimated probability 0.30 0.25 0.15 0.15 0.11 0.04 (a) What is the estimated probability that a randomly selected customer downloads three or fewer songs? (b) What is the estimated probability that randomly selected customer downloads at most three songs? How does this compare to the probability computed in part (a)? O greater than part (a) O less than part (a) O the same as part (a)
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