Assuming that the student group with a grade arithmetic mean of 70 and a standard deviation of 10 has normal division, what is the probability that a randomly selected student's grade is between 60-80? A) 38,26% B) 58,26% C) 28,26% D) 26,26% E) 68,26%
Assuming that the student group with a grade arithmetic mean of 70 and a standard deviation of 10 has normal division, what is the probability that a randomly selected student's grade is between 60-80? A) 38,26% B) 58,26% C) 28,26% D) 26,26% E) 68,26%
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 9ECP: A random number generator selects two integers from 1 to 30. What is the probability that both...
Related questions
Question
15 - Assuming that the student group with a grade arithmetic mean of 70 and a standard deviation of 10 has normal division, what is the probability that a randomly selected student's grade is between 60-80?
A) 38,26%
B) 58,26%
C) 28,26%
D) 26,26%
E) 68,26%
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 2 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Recommended textbooks for you
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL