
Here is the sample space for choosing a card from a standard deck of playing cards.

Let be the event 'getting a picture card'.
Let be the event 'getting a heart'.
Let be the event 'getting an even number'.
Calculate .

Let be the event 'getting a heart'.

Important Questions on What are the Chances? (Simple Probability)
Here is the sample space for choosing a card from a standard deck of playing cards.
Let be the event 'getting a picture card'.
Let be the event 'getting a heart'.
Let be the event 'getting an even number'.
Calculate .

Here is the sample space for choosing a card from a standard deck of playing cards.
Let be the event 'getting a picture card'.
Let be the event 'getting a heart'.
Let be the event 'getting an even number'.
Calculate .

A bag contains clip-on bicycle bells. Some are red and some are blue. A bell is chosen at random from the bag. is the event 'picking a red bell'.
If , find the number of red bicycle bells in the bag.

A box contains three brand- batteries and seven brand- batteries.
The probability that a brand- battery is faulty is , and the probability that a brand- battery is faulty is .
Copy and complete the tree diagram to show all the probabilities.

A box contains three brand- batteries and seven brand- batteries.
The probability that a brand- battery is faulty is , and the probability that a brand- battery is faulty is .
A battery is selected at random from the box. Calculate the probability that the battery is a faulty brand-

A box contains three brand- batteries and seven brand- batteries.
The probability that a brand- battery is faulty is , and the probability that a brand- battery is faulty is .
A battery is selected at random from the box. Calculate the probability that the battery is not a faulty brand-

Two fair coins are tossed.
Draw a tree diagram to represent the possible outcomes.

Two fair coins are tossed.
Calculate the probability that both coins show Heads.
