The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts (a) through (c) below. 1420 1230 985 692 730 830 Assume the population is normally distributed. 720 750 545 He 629 1446 947 C..... (a) Find the sample mean. x= 910.3 (Round to one decimal place as needed.) (b) Find the sample standard deviation. S= (Round to one decimal place as needed.) Help Me Solve This View an Example Get More Help - Clear All Check Answer rch 68°F Clear 9:43 10/21/

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...
icon
Related questions
Question
Answer these question
The state test scores for 12 randomly selected high school seniors are shown on the right. Complete
1420
1230
985
parts (a) through (c) below.
692
730
830
Assume the population is normally distributed.
720
750
545
Help
629
1446
947
(a) Find the sample mean.
x= 910.3 (Round to one decimal place as needed.)
(b) Find the sample standard deviation.
(Round to one decimal place as needed.)
Help Me Solve This
View an Example
Get More Help -
Clear All
Check Answer
rch
68°F Clear
9:43 PM
10/21/202
Transcribed Image Text:The state test scores for 12 randomly selected high school seniors are shown on the right. Complete 1420 1230 985 parts (a) through (c) below. 692 730 830 Assume the population is normally distributed. 720 750 545 Help 629 1446 947 (a) Find the sample mean. x= 910.3 (Round to one decimal place as needed.) (b) Find the sample standard deviation. (Round to one decimal place as needed.) Help Me Solve This View an Example Get More Help - Clear All Check Answer rch 68°F Clear 9:43 PM 10/21/202
Expert Solution
Step 1

Probability homework question answer, step 1, image 1

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer