Interactive practice questions
A family has a baby girl.
Will this affect the chances of their next baby being a girl?
No
A
Yes
B
Easy
< 1min
A coin is tossed and lands on tails.
Will this affect the chances of the coin landing on tails in the next toss?
Easy
< 1min
Valerie owns $9$9 red shirts and $9$9 blue shirts.
She randomly chooses a shirt for the day, and she gets a red shirt.
At the end of the day, she puts it into the washing basket.
Easy
< 1min
In a bag, there are $3$3 yellow marbles and $4$4 green marbles.
A marble is randomly selected from the bag and it turns out to be yellow.
The marble is not put back into the bag.
Medium
< 1min
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