Concept explainers
Analyzing Survey Data In a student survey, 200 indicated that they would attend Summer Session I, and 150 indicated Summer Session II. If 75 students plan to attend both summer sessions, and 275 indicated that they would attend neither session, how many students participated in the survey?
To find: How many students participated in the survey?
Answer to Problem 28AYU
550 students participated in the survey.
Explanation of Solution
Given:
In a student survey, 200 indicated that they would attend Summer Session I, and 150 indicated Summer Session II. If 75 students plan to attend both summer sessions, and 275 indicated that they would attend neither session.
Formula used:
Calculation:
From the given data,
, Where defines the number of people who would attend Summer Session I.
, Where defines the number of people who would attend Summer Session II.
550 students participated in the survey.
Chapter 13 Solutions
Precalculus
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