A random rearrangement doe not separate out between repeatedletters. Consider word CHRISTMASTIME.
a) What's the expected # vowels in first three letters of randomrearrangement of CHRISTMASTIME?
b) What's probability that all the S's happen before all the I'sin random rearrangement of CHRISTMASTIME?
c) What's probability that word CHRIST happens in consecutiveletters of uniform rearrangement of CHRISTMASTIME?
