The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts (a) through (c) below. 1420 1230 985 Assume the population is normally distributed. 692 730 830 720 750 545 629 1446 947 (.... . (a) Find the sample mean. (Round to one decimal place as needed.) X=
The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts (a) through (c) below. 1420 1230 985 Assume the population is normally distributed. 692 730 830 720 750 545 629 1446 947 (.... . (a) Find the sample mean. (Round to one decimal place as needed.) X=
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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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.
1420
1230
985
Assume the population is normally distributed.
692
730
830
720
750
545
629
1446
947
(a) Find the sample mean.
x= (Round to one decimal place as needed.)
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