Suckless SAT Practice

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Practice one SAT question at a time

Questions come from the Bluebook question bank.

The table summarizes the distribution of age and assigned group for $90$ participants in a study.

	$0$ – $9$ years	$10$ – $19$ years	$20 plus$ years	Total
Group A	$7$	$14$	$9$	$30$
Group B	$6$	$4$	$20$	$30$
Group C	$17$	$12$	$1$	$30$
Total	$30$	$30$	$30$	$90$

One of these participants will be selected at random. What is the probability of selecting a participant from group A, given that the participant is at least $10$ years of age? (Express your answer as a decimal or fraction, not as a percent.)

Enter your answer

Use the exact value the question expects unless it says to round.