Problem Bank | IB Math AIHL

[Maximum mark: 6]

In a robotics lab there are nine identical data-sticks, each labeled with a single code letter:

A technician randomly selects two sticks, plugging each into separate ports of a computer.

Find the probability that the first stick selected is labeled
A,
P(first stick is A)=
A or I.
[1]
Determine the probability that the second stick selected is labeled A, given that the first stick selected was labeled I.
[2]
Find the probability that both sticks selected are labeled A.
[2]

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[Maximum mark: 6]

In a robotics lab there are nine identical data-sticks, each labeled with a single code letter:

A technician randomly selects two sticks, plugging each into separate ports of a computer.

Find the probability that the first stick selected is labeled
A,
P(first stick is A)=
A or I.
[1]
Determine the probability that the second stick selected is labeled A, given that the first stick selected was labeled I.
[2]
Find the probability that both sticks selected are labeled A.
[2]

Ask Plex AI about this problem

Get hints, ask questions, and work through this problem step by step

I'm Plex, here to help with problems on this worksheet!

[Maximum mark: 6]

In a robotics lab there are nine identical data-sticks, each labeled with a single code letter:

A technician randomly selects two sticks, plugging each into separate ports of a computer.

Find the probability that the first stick selected is labeled
A,
P(first stick is A)=
A or I.
[1]
Determine the probability that the second stick selected is labeled A, given that the first stick selected was labeled I.
[2]
Find the probability that both sticks selected are labeled A.
[2]

Ask Plex AI about this problem

Get hints, ask questions, and work through this problem step by step

I'm Plex, here to help with problems on this worksheet!

[Maximum mark: 6]

In a robotics lab there are nine identical data-sticks, each labeled with a single code letter:

A technician randomly selects two sticks, plugging each into separate ports of a computer.

Find the probability that the first stick selected is labeled
A,
P(first stick is A)=
A or I.
[1]
Determine the probability that the second stick selected is labeled A, given that the first stick selected was labeled I.
[2]
Find the probability that both sticks selected are labeled A.
[2]

Ask Plex AI about this problem

Get hints, ask questions, and work through this problem step by step

I'm Plex, here to help with problems on this worksheet!