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. Y= (Round to one decimal place as needed.) 1420 700 I 724 622 1227 727 748 1445 980 833 540 943
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. Y= (Round to one decimal place as needed.) 1420 700 I 724 622 1227 727 748 1445 980 833 540 943
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.)
1420
700
724
622
1227
P1
727
748
1445
980
8686
833
540
943](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F446f3d8e-c3c5-4084-9466-4402d972a8cc%2F25ee1d3b-7014-42fc-8d23-349b57769c15%2F4zihqe_processed.png&w=3840&q=75)
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.)
1420
700
724
622
1227
P1
727
748
1445
980
8686
833
540
943
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