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Mumz [18]
3 years ago
10

HELPP asap I’ll mark you as brainlister

Mathematics
1 answer:
docker41 [41]3 years ago
7 0

Answer:

around 1582.55

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There are 52 cards in a deck, and 13 of them are hearts. Four cards are dealt, one at a time, off the top of a well-shuffled dec
irga5000 [103]

Answer:

10.97%

Step-by-step explanation:

There are 52 cards.

13 of them, are hearts.

Then

52 - 13 = 39 cards are not hearts.

4 cards are drawn, we want to find the percent chance that the fourth card is a heart card, but no before.

So the first card can't be a heart card.

because the deck is well-shuffled, all the cards have the same probability of being drawn.

Then the probability of not getting a heart card, is equal to the quotient between the number of non-heart cards (39) and the total number of cards (52), then the probability is:

p₁ = 39/52

The second card also can't be a heart card, the probability is calculated in the same way than above, but now there are 38 non-heart cards and a total of 51 cards (because one card was already drawn) then the probability here is:

p₂ = 38/51

For the third card the reasoning is similar to the two above cases, here the probability is:

p₃ = 37/50

The fourth card should be a hearts card, the probability is computed in the same way than above, as the quotient between the number of heart cards in the deck (13) and the total number of cards in the deck (now there are 49 cards)

then the probability is:

p₄ = 13/49

The joint probability (the probability of these 4 events happening together) is equal to the product between the individual probabilities:

P = p₁*p₂*p₃*p₄

P = (39/52)*(38/51)*(37/50)*(13/49) = 0.1097

The percent chance is the above number times 100%

Percent =  0.1097*100% = 10.97%

3 0
3 years ago
Which are the next four digits in the repeating decimal 4.715
skad [1K]
Answer. .7157
Explanation. If the decimal is repeating, we must continue the pattern. Hope this helps, let me know if it’s correct so others can use it :)
Good luck.
6 0
3 years ago
Is this correct or am I off?
seropon [69]

Answer:

You are correct

Step-by-step explanation:

8 0
3 years ago
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Nataly [62]
The answers 23...subtract 32-9
7 0
3 years ago
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Which equation matches the graph of the greatest integer function given<br> below?
Aleks04 [339]
B because I have had this problem and I’m pretty sure it’s b
7 0
1 year ago
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