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?
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
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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