Seven of ten students polled say that they prefer to practice for a team sport after school than before school. Based on this sa
mple, how many students would you expect out of a population of 120 to prefer to practice after school?
70
36
84
77
2 answers:
Answer:
Number of students who to prefer to practice after school are:
84
Step-by-step explanation:
Seven of ten students polled say that they prefer to practice for a team sport after school than before school.
this implies that 7/10 part of the population prefer to practice for a team sport after school than before school.
Population of school=120
Hence, number of students who to prefer to practice after school are
7×120/10
= 84
Hence, 84 students prefer to practice after school
7/10 is 70%
70% of 120 is 84.
So 84 people would prefer to practice after school.
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