Question

One card is dealt from a 52-card deck. Find the probability that the dealt card is a 4 or a 5.

Answer 1

The probability is 2/13

Step-by-step explanation:

To calculate the probability of an event A of happening, we can use the formula:

`P(A)=\frac{favorable\text{ }outcome}{total\text{ }outcome}`

The favorable outcome is the number of 4 and 5 cards in a deck of 52 cards

The total outcome is the total amount of cards.

Since there are one 4 for each symbol in the card (spades, hearts, diamonds and clubs) there are four 4's and applying the same to the 5's, there are four 5's in a deck

Thus, the favorable outcome = 4 + 4 = 8

Now we can write:

`P(4\text{ }or\text{ }5)=(8)/(52)=(2)/(13)`