For a particular video game, Ariana's mean number of points earned per game is 190, and the standard deviation is 40. Suppose that she plays 50 games in one evening, and her goal is to obtain a mean score of at least 200 for the 50 games. How many standard deviations above 190 is her goal? (A) 0.25 (B) 1.41 (C) 1.77 (D) 11.18 (E) 12.50

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 12PPS
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For a particular video game, Ariana's mean number of points earned per game is 190, and the standard deviation is
40. Suppose that she plays 50 games in one evening, and her goal is to obtain a mean score of at least 200 for the
50 games.
How many standard deviations above 190 is her goal?
(A) 0.25
(B) 1.41
(C) 1.77
(D) 11.18
(E) 12.50
Transcribed Image Text:For a particular video game, Ariana's mean number of points earned per game is 190, and the standard deviation is 40. Suppose that she plays 50 games in one evening, and her goal is to obtain a mean score of at least 200 for the 50 games. How many standard deviations above 190 is her goal? (A) 0.25 (B) 1.41 (C) 1.77 (D) 11.18 (E) 12.50
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