<PRE><B>Question 954098</B>
a-  probability of both choose Spanish is  = 0.86 * 0.73 = 

0.6278.
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b- neither choose Spanish = 0.14 * 0.27 = 0.0378.
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c- only one of them choose Spanish = 0.86 * 0.27 + 0.14 * 0.73 = 0.3344.
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d- at least one of them chooses Spanish = 0.6278 + 0.3344 = 0.9622

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      Or

1 - 0.0378 = 0.9622
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Ans</PRE>