Although the actual amount varies by season and time of day, the average volume of water that flows over the falls each second is 4.84.8 times ×10 superscript 5105 gallons. how much water flows over the falls in an hour? write the result in scientific notation. (hint: 1 hour equals 3600 seconds)

10 miles

step-by-step explanation:

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b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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