document.write( "Question 1201443: This exercise refers to a standard deck of playing cards. Assume that 5 cards are randomly chosen from the deck.\r
\n" ); document.write( "\n" ); document.write( "How many hands contain 4 jacks?
\n" ); document.write( "

Algebra.Com's Answer #835862 by math_tutor2020(3817)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "The tutor @math_helper has provided a great solution.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "I'll mention a slightly different pathway.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "We can use the nCr combination formula
  • x = 4C4 = 1 way to select the four jacks in any order.
  • y = 48C1 = 48 ways to select the fifth non-jack card
x*y = 1*48 = 48 different five-card hands that consist of all four jacks.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "A few references about the nCr formula
\n" ); document.write( "https://mathworld.wolfram.com/Combination.html
\n" ); document.write( "https://www.mathsisfun.com/combinatorics/combinations-permutations.html
\n" ); document.write( "https://www.calculatorsoup.com/calculators/discretemathematics/combinations.php\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Here is another question about card hands
\n" ); document.write( "https://www.algebra.com/algebra/homework/Probability-and-statistics/Probability-and-statistics.faq.question.1201482.html
\n" ); document.write( "
\n" ); document.write( "
\n" );