One drive-through car wash facility offers three different types of washes: basic, deluxe, and supreme. The manager of the car wash facility tallies customer selections over three days. Type of Car Wash BasicDeluxeSupremeTotalDayFriday15431977Saturday275222101Sunday23451987 Total6514060265Given that a customer got their car washed on Friday, what is the probability that the customer selected the deluxe car wash?
Among customers who visited on Friday, 43 selected the deluxe wash out of 77 total Friday customers. The conditional probability is 43 ÷ 77 ≈ 0.558, or 55.8%. Therefore, the correct choice is 55.8%.
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