A survey conducted by a song rating service finds that the percentages of listeners familiar with "Poker Face" by Lady Gaga who would give the song ratings of 5, 4, 3, 2, and 1 are, respectively, 44 percent, 19 percent, 20 percent, 10 percent, and 7 percent. Assign the numerical values 1, 2, 3, 4, and 5 to the (qualitative) ratings 1, 2, 3, 4, and 5 and find an estimate of the probability distribution of x= this song's rating by a randomly selected listener who is familiar with the song. Find the expected value of the estimated probability distribution. (Round your answer to 2 decimal places.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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A survey conducted by a song rating service finds that the percentages of listeners familiar with "Poker Face" by Lady Gaga who
would give the song ratings of 5, 4, 3, 2, and 1 are, respectively, 44 percent, 19 percent, 20 percent, 10 percent, and 7 percent. Assign
the numerical values 1, 2, 3, 4, and 5 to the (qualitative) ratings 1, 2, 3, 4, and 5 and find an estimate of the probability distribution of x=
this song's rating by a randomly selected listener who is familiar with the song.
Find the expected value of the estimated probability distribution. (Round your answer to 2 decimal places.)
Transcribed Image Text:A survey conducted by a song rating service finds that the percentages of listeners familiar with "Poker Face" by Lady Gaga who would give the song ratings of 5, 4, 3, 2, and 1 are, respectively, 44 percent, 19 percent, 20 percent, 10 percent, and 7 percent. Assign the numerical values 1, 2, 3, 4, and 5 to the (qualitative) ratings 1, 2, 3, 4, and 5 and find an estimate of the probability distribution of x= this song's rating by a randomly selected listener who is familiar with the song. Find the expected value of the estimated probability distribution. (Round your answer to 2 decimal places.)
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