You do 9x27=243 then take 2x31=62 add 243+62=305 then take 305 and subtract it from 28 305-28=277
so if i did it right you should get n=277
Cards are drawn, one at a time, from a standard deck; each card is replaced before the next one is drawn. Let X be the number of draws necessary to get an ace. Find E(X) is given in the following way
Step-by-step explanation:
- From a standard deck of cards, one card is drawn. What is the probability that the card is black and a
jack? P(Black and Jack) P(Black) = 26/52 or ½ , P(Jack) is 4/52 or 1/13 so P(Black and Jack) = ½ * 1/13 = 1/26
- A standard deck of cards is shuffled and one card is drawn. Find the probability that the card is a queen
or an ace.
P(Q or A) = P(Q) = 4/52 or 1/13 + P(A) = 4/52 or 1/13 = 1/13 + 1/13 = 2/13
- WITHOUT REPLACEMENT: If you draw two cards from the deck without replacement, what is the probability that they will both be aces?
P(AA) = (4/52)(3/51) = 1/221.
- WITHOUT REPLACEMENT: What is the probability that the second card will be an ace if the first card is a king?
P(A|K) = 4/51 since there are four aces in the deck but only 51 cards left after the king has been removed.
- WITH REPLACEMENT: Find the probability of drawing three queens in a row, with replacement. We pick a card, write down what it is, then put it back in the deck and draw again. To find the P(QQQ), we find the
probability of drawing the first queen which is 4/52.
- The probability of drawing the second queen is also 4/52 and the third is 4/52.
- We multiply these three individual probabilities together to get P(QQQ) =
- P(Q)P(Q)P(Q) = (4/52)(4/52)(4/52) = .00004 which is very small but not impossible.
- Probability of getting a royal flush = P(10 and Jack and Queen and King and Ace of the same suit)
А=2
b=-8
c=-90
D=b^2-4ac
D=64+720
D=784=28^2
X1,2=(-b-+D):2a
Х1,2=(8+-28):4
Х1=-5
Х2=9
Answer:
The range of f(x) is f(x) > -2 and option D is correct.
Step-by-step explanation:
HOPE THIS IS THE ANSWER YOU WERE LOOKING FOR
Answer:
Scanner sc = new Scanner(System.in);
System.out.println(" ");
int n=sc.nextInt();
if(n==1)
System.out.println("January");
if(n==2)
System.out.println("Februry");
if(n==3)
System.out.println("March");
if(n==4)
System.out.println("April");
if(n==5)
System.out.println("May");
if(n==6)
System.out.println("june");
if(n==7)
System.out.println("July");
if(n==8)
System.out.println("August");
if(n==9)
System.out.println("September");
if(n==10)
System.out.println("October");
if(n==11)
System.out.println("November");
if(n==12)
System.out.println("December");
if(n==34)
System.out.println(" );
if(n==145)
System.out.println("to kaise hain aap log");
}
}
