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nevsk [136]
3 years ago
6

Two cards are drawn from a standard deck without replacement. What is the probability that the first card is a club and the seco

nd card is red? (
Mathematics
1 answer:
tia_tia [17]3 years ago
8 0

Answer:

Probability to draw a club and second card is red without replacement will be \frac{13}{102} or 12.75%

Step-by-step explanation:

A standard deck of cards contains number of cards = 52

And a standard deck contains number of club = 13

Now the probability of first card to be a club will be

P_{1}=\frac{\text{Number of club in a deck}}{\text{Total number of cards}}

    = \frac{13}{52}=\frac{1}{4}

Now this card is separated from the deck.

Therefore, number of remaining cards = 52 - 1 = 51

Second card has been drawn from the deck without replacement.

Since number of red cards in the deck = 13 + 13 = 26

Probability of the second card drawn = \frac{\text{Number of red cards}}{\text{Number of remaining cards}}

P_{2}=\frac{26}{51}

Now probability that the first card is a club and the second card is red = P_{1}\times P_{2}=\frac{1}{4}\times \frac{26}{51}

= \frac{13}{102}

Or \frac{13}{102}\times 100=12.75%%

Therefore, probability to draw a club and second card is red without replacement will be \frac{13}{102} or 12.75%

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Marcy purchases a total of 12 adult, child, and senior tickets for an art museum tour. Adult tickets are $5 each, child tickets
Kruka [31]

Answer:

A: The solution to this system is no viable because it results in fractional values of tickets

Step-by-step explanation:

Let number of adult, child, and senior tickets be x, y and z respectively.

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x + y + z = 12 - - - (eq 1)

she purchases 4 more child tickets than senior tickets.

Thus, y = z + 4

Thus:

x + (z + 4) + z = 12

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