Question

Twenty distinct cars park in the same parking lot every day. Ten of these cars are US-made. while the other ten are foreign-made. The parking lot ha exactly twenty spaces. all in a row. so the cars park side by side. However. the drivers have varying schedules. so the position any car might take on a certain day is random. (a) In how many different ways can the cars line up? (b) What is the probability that on a given day, the cars will park in such a way that they alternate (no two US-made are adjacent and no two foreign-made are adjacent)?

Answer 1

Answer:

Step-by-step explanation:

answer is 15

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