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There are 1,400 students in a school. A random sample of 50 students contains 7 students with birthdays in March. About how many students in the school have birthdays in March?
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There are 1,400 students in a school. A random sample of 50 students contains 7 students with birthdays in March. About how many students in the school have birthdays in March?

User Ryan Tsui
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2 votes
Does it say 7% students or just 7 students?
User Bzu
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50 students contains 7 students with birthdays in March
1,400 students ..........? students with birthdays in March

1,400 x 7 / 50 = 196

answer: 196 students in the school have birthdays in March
User Zafer Ayan
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