How many standard deviations above the mean is 14,500 hours 1.25 1.5 2.5 using the standard normal table the probability that Seth’s light bulb will last no more than 24,500 (P(z<1.25)) hours is about 89%.
C has to be the answer plane and train crashes are much rarer
Answer:
soil is losing quality
Explanation:
urbanization has this effect