1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ilia_Sergeevich [38]
3 years ago
6

Poker is a card played with a standard 52 card playing deck. We draw one card at a time without replacement from the top of a sh

uffled standard poker deck and stop when we draw an ace. Let X be the number of cards we have drawn. What is P( X)?
Mathematics
1 answer:
Maru [420]3 years ago
5 0

Answer:

Step-by-step explanation:

Given that Poker is a card played with a standard 52 card playing deck. We draw one card at a time without replacement from the top of a shuffled standard poker deck and stop when we draw an ace.

There are 4 aces and 48 non aces.

For randomly drawing card for first card we have probability for drawing ace = 4/52 and non ace = 48/52

X = no of cards we have drawn

If X is the total no of cards drawn, then the event should have been

first x-1 cards non aces, and the last card ace.

Hence P(X)

= Drawing x-1 cards from 48 non aces * drawing one card from remaining 52-(x-1) cards

= \frac{48C(x-1)}{52C(x-1)} *\frac{4}{53-x} \\, x=1,2,.....49

You might be interested in
if the sum of a number and nine is doubled, the result is seven less than the number. find the number.
avanturin [10]
X=the number we have to find.
This expression "2(x+9)" is when the sum of a number and nine is doubled.
If the result is seven less than the number, we will have: x-7

We can suggest the following equation:
2(x+9)=(x-7)
2x+18=x-7
2x-x=-7-18
x=-25

answer: the number would be:  -25.
3 0
2 years ago
Find the midpoint of the segment with the given endpoints.<br> (3,- 9) and (4, -8)
frez [133]
  • (3,-9)
  • (4,-8)

\boxed{\sf (x,y)=\left(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2}\right)}

\\ \sf\longmapsto \left(\dfrac{3+4}{2},\dfrac{-9+8}{2}\right)

\\ \sf\longmapsto \left(\dfrac{7}{2},\dfrac{-1}{2}\right)

3 0
3 years ago
HELPPPPPPPPPP stuckkk
Alenkinab [10]
I think it’s B :):):)):
5 0
3 years ago
Pa help nmn po need lang po talaga
LekaFEV [45]

Answer:

Pa follow mona at pa brienlist

Step-by-step explanation:

Please

8 0
2 years ago
Write a polynomial function in standard form given the zeros.<br><br> -1/2, -5 + i
Rama09 [41]

Answer:

y = x³ + 10.5x² + 31x + 13

Step-by-step explanation:

Complex roots (roots that have imaginary terms) always come in conjugate pairs.  So if one root is -5 + i, there's another root that's -5 − i.

So the polynomial is:

y = (x + 1/2) (x − (-5 + i)) (x − (-5 − i))

Distributing:

y = (x + 1/2) (x² − (-5 + i)x − (-5 − i)x + (-5 + i)(-5 − i))

y = (x + 1/2) (x² + 5x − ix + 5x + ix + (-5 + i)(-5 − i))

y = (x + 1/2) (x² + 10x + (-5 + i)(-5 − i))

y = (x + 1/2) (x² + 10x + 25 + 5i − 5i − i²)

y = (x + 1/2) (x² + 10x + 25 + 1)

y = (x + 1/2) (x² + 10x + 26)

y = x(x² + 10x + 26) + 1/2(x² + 10x + 26)

y = x³ + 10x² + 26x + 1/2x² + 5x + 13

y = x³ + 10.5x² + 31x + 13

8 0
3 years ago
Other questions:
  • What is the equation of this line?
    11·1 answer
  • (-x-3)-(5x+2) I need to know the work and answer
    9·1 answer
  • Use an integer to represent an earning of 17​
    11·1 answer
  • Lori works as a cartoonist for a teen magazine.The time she spent sketching is given by the equation m=12s, where mis the number
    6·1 answer
  • Based on the polynomial remainder theorem, what is the value of the function when x=−6 ?
    9·1 answer
  • I just stuck. Someone explain.
    5·1 answer
  • Simplify:<br> 3(2x - 6) + 2
    6·1 answer
  • Justin plans to spend $35 on sports cards. Regular cards cost $4.50 per pack and foil cards cost $6.00 per pack Which inequality
    13·1 answer
  • Given that x = y - 2 / y -3 Express y in terms of x ​
    5·1 answer
  • Find the value of X. 40,x
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!