document.write( "Question 1088101: Jean is visiting her grandparents in Houston for 7 days. She wants to arrange a lunch with friends. If she picks a day at random, there is a 30% chance that all of her friends will be available to meet for lunch. What is the probability that all her friends are available to meet for lunch on 4 different days?
\n" ); document.write( "a. 9.7%
\n" ); document.write( "b. 22.7%
\n" ); document.write( "c. 2.3%
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Algebra.Com's Answer #702366 by Boreal(15235)\"\" \"About 
You can put this solution on YOUR website!
it is 7C4(0.3)^4*(0.7)^3
\n" ); document.write( "=35*0.0081*0.343
\n" ); document.write( "=0.097
\n" ); document.write( "9.7%
\n" ); document.write( "A
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