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. Consid the chance experiment of observing the number of songs downloaded by a randomly selected customer. The accompanying table gives six possible outcomes and the estim probability of each of these outcomes. Number of songs downloaded 1 Estimated probability (a) What is the estimated probability that a randomly selected customer downloads three or fewer songs? 2 3 4 5 0.25 0.25 0.20 0.15 0.11 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) 6 or more 0.04 (b) What is the estimated probability that a randomly selected customer downloads at most three songs?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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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
Estimated probability
1
0.25
2
3
4
5
0.25 0.20 0.15 0.11
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)
6 or more
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 a randomly selected customer downloads at most three songs?
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 Estimated probability 1 0.25 2 3 4 5 0.25 0.20 0.15 0.11 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) 6 or more 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 a randomly selected customer downloads at most three songs?
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