Final answer:
A person who is sleep-deprived is 4 to 5 times more likely to crash than a person who has had 8 hours of sleep due to impaired cognitive and motor functions similar to the effects of alcohol intoxication.
Step-by-step explanation:
The person who is 4 to 5 times more likely to crash than a person who obtained 8 hours of sleep is d) A person who is sleep-deprived.
Research indicates that sleep deprivation significantly affects cognitive and motor functions in a manner comparable to alcohol intoxication. The impact of sleep debt results in reduced mental alertness and deteriorating cognitive abilities, which can be especially perilous when driving, as the individual is prone to falling asleep behind the wheel.
Therefore, it is paramount for individuals who drive to ensure they are not sleep-deprived to maintain safety on the road and prevent the risk of accidents, which are considerably higher when suffering from lack of sufficient sleep.