3 years ago

You are dealth one card from a 52-card deck. find the probability that you are dealt a two or a black card

1 answer:

6 0

The probability of getting a 2 or a getting a black card, find individual probabilities;

A standard deck has 52 cards.

There are 4 2's in a normal deck; probability of getting it is 4/25

The probability of getting a black card is; 26/52 since half the deck is red and black.

Now add up the probabilities since it says "or"

(4/52)+(26/52)=30/52 probability of the card that you were dealt being a two or a black card.

Hope I helped :)

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Please help me find the nth term of this sequence 0, 3, 8, 15, 24

Setler [38]

Answer:

Step-by-step explanation:

0, 3, 8, 15, 24, 35, 48, 63, 80 which is the nth term

first step you have to find how many steps the sequence was going with.

examples= from 0 to 3 the steps were 3

=from 3 to 8 the steps were 5

= from 8 to 15 the steps were 7

you will recognize that the steps the sequence is going with is odd numbers.

so you will use the odd numbers until you find what you need. which leads you to 80 which is the nth number in the sequence.