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URGENT Please help solve this probability question An engine is fitted with two spark plugs. Spark plug A has a lifetime that is normally distributed

URGENT Please help solve this probability question
An engine is fitted with two spark plugs. Spark plug A has a lifetime that is normally distributed with mean 800 hours and standard deviation 100 hours. Spark plug B has a lifetime that is normally distributed with mean 900 hours and standard deviation 150 hours. Assume that the lifetimes of the spark plugs are independent. What is the probability that spark plug B lasts longer than spark plug A? Select one: a. 0.7088 O b. 0.5438 c. 06293 O d. 0.5871 e. 0.7823 Of. 0.7486 O g. 0.6700

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