a) Complete the curve below by entering the values of areas under the curve, the values of 1, 2 and 3 standard deviations, based on the Empirical Rule. = O = _% % b) The education officer wants to know what percentage of students whose scores were greater than 100 marks.
a) Complete the curve below by entering the values of areas under the curve, the values of 1, 2 and 3 standard deviations, based on the Empirical Rule. = O = _% % b) The education officer wants to know what percentage of students whose scores were greater than 100 marks.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 7PPS
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100%
![Common Entrance are usually graded out of 150 marks. The education officers of one of the
education districts, knows that the mean score in the district is 80 with a standard deviation of 20.
The students' scores follow a normal distribution. There are 500 students in the district who sat the
Common Entrance Exam.
a) Complete the curve below by entering the values of areas under the curve, the values of 1, 2 and 3 standard
deviations, based on the Empirical Rule.
_%
_%
b) The education officer wants to know what percentage of students whose scores were greater than 100 marks.
II](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2c635ef3-432a-40df-a336-a2433504a17d%2Fd1061e00-a2fc-416f-825d-dec0837b28c6%2Fvxntd0s_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Common Entrance are usually graded out of 150 marks. The education officers of one of the
education districts, knows that the mean score in the district is 80 with a standard deviation of 20.
The students' scores follow a normal distribution. There are 500 students in the district who sat the
Common Entrance Exam.
a) Complete the curve below by entering the values of areas under the curve, the values of 1, 2 and 3 standard
deviations, based on the Empirical Rule.
_%
_%
b) The education officer wants to know what percentage of students whose scores were greater than 100 marks.
II
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