[Step-by-Step] During a recent sale at a bookstore, 16 white shirts, 12 red shirts, 9 black and 5 yellow shirts were purchased. If a random student is selected,
Question: During a recent sale at a bookstore, 16 white shirts, 12 red shirts, 9 black and 5 yellow shirts were purchased. If a random student is selected, find the probability that he or she bought a white or black shirt.
Deliverable: Word Document 
![[See Steps] Find the probabilities for each,](/images/solutions/MC-solution-library-64485.jpg "[See Steps] Find the probabilities for each, using the standard")
[See Steps] Find the probabilities for each, using the standard
![[See Solution] Find the probabilities for each,](/images/solutions/MC-solution-library-64486.jpg "[See Solution] Find the probabilities for each, using the standard")
[See Solution] Find the probabilities for each, using the standard
![[Solution Library] Find the probabilities for each,](/images/solutions/MC-solution-library-64487.jpg "[Solution Library] Find the probabilities for each, using the standard normal")
[Solution Library] Find the probabilities for each, using the standard normal
![[See Steps] The average age of CEOs](/images/solutions/MC-solution-library-64488.jpg "[See Steps] The average age of CEOs is 56 years. Assume the variable")
[See Steps] The average age of CEOs is 56 years. Assume the variable
![[Solution] A psychologist is examining the educational](/images/solutions/MC-solution-library-64489.jpg "[Solution] A psychologist is examining the educational advantages")
[Solution] A psychologist is examining the educational advantages
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