Anewborn kitten weighs 3 ounces at birth. after four weeks, it weighs 13 ounces. which of the following is true?
a.
the kitten's age and weight are not in a proportional relationship because the kitten does not weigh zero ounces at birth.
b.
the kitten's age and weight are not in a proportional relationship because the weight of the kitten increases by 2.5 ounces every week.
c.
the kitten's age and weight are not in a proportional relationship because the weight of the kitten increases over time.
d.
the kitten's age and weight are not in a proportional relationship because the difference in the weight of the kitten after four weeks is 10 ounces.
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12.5 feet

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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