Concept explainers
There are 250 freshmen at Central High School. You survey 50 randomly selected freshmen and find that 35 plan to go to the school party on Friday. How many freshmen are likely to be at the party?
Find the number of freshmen that are likely to be at the party.
Answer to Problem 25P
175
Explanation of Solution
Given:
There are 250 freshmen at Central High School.You survey 50 randomly selected freshmen and find that 35 plan to go to the school party on Friday.
Formula Used :
Calculation:
Number of freshmen that plan to go to the party = 35
Total number of freshmen selected for survey = 50
But in actual , the total number of freshmen at Central High School = 250.
So, the number of freshmen likely to be present at the party =
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