NEED IT ASAP 3 in.
Robert is computing the volume of this sphere:
Where did Robert make a mistake? Identify Robert's computational error.
3 in.
V= (3)3
= 36
~ 113.10 in.3

l think he used three which is the diameter as the radius instead of dividing it by two

hello,

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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step-by-step explanation: