The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts (a) through (c) below. Assume the population is normally distributed. (a) Find the sample mean. X = (Round to one decimal place as needed.) 1425 693 721 629 1228 722 748 1445 984 840 543 944 ▬ -

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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The state test scores for 12 randomly selected high school seniors are shown on the right.
Complete parts (a) through (c) below.
Assume the population is normally distributed.
(a) Find the sample mean.
X = (Round to one decimal place as needed.)
1425
693
721
629
1228
722
748
1445
984
840
543
944
▬
-
Transcribed Image Text:The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts (a) through (c) below. Assume the population is normally distributed. (a) Find the sample mean. X = (Round to one decimal place as needed.) 1425 693 721 629 1228 722 748 1445 984 840 543 944 ▬ -
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