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Maths question What type of distribution would i need to solve this?

A food manufacturer produces 1,000 boxes of cereal each containing a
toy. However, there was a packaging error and it is expected that 100
of these boxes have no toy. A sample of 20 boxes are opened. Let X be
a discrete random variable whose value represents the number of cereal
boxes without a toy.
Original post by johnsonstevensom
A food manufacturer produces 1,000 boxes of cereal each containing a
toy. However, there was a packaging error and it is expected that 100
of these boxes have no toy. A sample of 20 boxes are opened. Let X be
a discrete random variable whose value represents the number of cereal
boxes without a toy.

Well, the box either has a toy or it doesn't.

This inspection is repeated over 20 boxes.

So what is the distribution?
Original post by RDKGames
Well, the box either has a toy or it doesn't.

This inspection is repeated over 20 boxes.

So what is the distribution?

binomial?
im not sure
i was thinking poission but i may be wrong
Original post by johnsonstevensom
binomial?
im not sure
i was thinking poission but i may be wrong

Poisson is suitable when modelling the rate at which trials occur.

As far as I see, your problem does not fit this context.
Original post by RDKGames
Poisson is suitable when modelling the rate at which trials occur.

As far as I see, your problem does not fit this context.

so it is binomial then?
Original post by johnsonstevensom
so it is binomial then?

Would make sense, yes.
sorry im really dumb at maths who knows maybe ill be as good as you one day doubt it tho

Original post by RDKGames
Would make sense, yes.

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