1. The national average percentage score of Grade 6 in National Achievement Test (NAT) recently for Math subject is 36.66 with a standard deviation of 3.57. If a random sample of 200 scores were selected, what is the probability that the sample average percentage score is higher than 45%? A. 3,600 B. 4,000 C. 25.36% D. 0% E. 2.75; 0.10 F. Not among the choices G. 3.78; 0.15 H. 33.40% I. 8.38% PLEASE answer within the choices only.
1. The national average percentage score of Grade 6 in National Achievement Test (NAT) recently for Math subject is 36.66 with a standard deviation of 3.57. If a random sample of 200 scores were selected, what is the probability that the sample average percentage score is higher than 45%? A. 3,600 B. 4,000 C. 25.36% D. 0% E. 2.75; 0.10 F. Not among the choices G. 3.78; 0.15 H. 33.40% I. 8.38% PLEASE answer within the choices only.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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1. The national average percentage score of Grade 6 in National Achievement Test (NAT) recently for Math subject is 36.66 with a standard deviation of 3.57. If a random sample of 200 scores were selected, what is the probability that the sample average percentage score is higher than 45%?
A. 3,600
B. 4,000
C. 25.36%
D. 0%
E. 2.75; 0.10
F. Not among the choices
G. 3.78; 0.15
H. 33.40%
I. 8.38%
PLEASE answer within the choices only.
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