Scofield45 Scofield45
  • 02-08-2014
  • Mathematics
contestada

you have a standard deck of 52 cards. you pick one card and then, with out putting the first card back, you pick a second card. what is the probability that both cards will be 9s?

Respuesta :

Pulkit
Pulkit Pulkit
  • 02-08-2014
Prob of picking 9 in 1st turn = 4 / 52

Prob of picking 9 is 2nd turn = 3/51

So Probability for both = 4 * 3 / (52*51)
=1/221
Answer Link

Otras preguntas

How do you use equal protection of law in a sentence
What is the next number of the pattern. 2 7 26 101 400
what are at least 5 general PowerPoint guidelines that's you find useful and provide an example of how you would use each in real life setting
Which of the following is the equation of a line parallel to the line y=3x+2, passing through the point (10,1)? A. 3x - y=29 B. 3x + y=29 C. -3x - y=29 D. 3x +
What is 3y = 15x - 12 in y = mx + b form ?
which point lies on the graph of the boundary line of the inequality 3y + 4x< 12
Ryker is given the graph of the function y= 1/2x^2 - 4 . He wants to find the zeros of the function but is unable to read them exactly from the graph. Find the
What is the last number
what did Benjamin franklin feel strong about
Solve by elimination:4x+7y =8-8x -14y= 5