jailynnprincess6132 jailynnprincess6132

08-03-2024
Mathematics

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Wade has 4 different statistics textbooks, 12 different biology books, and 11 different astronomy books. He arranges these twenty-seven books randomly on a shelf. What is the probability that books of"
a) Different subjects are grouped together?
b) The first book is a statistics textbook?
c) The first two books are biology books?
d) The last book is an astronomy book?

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