Please Help NO LINKS Use cylindrical shells to find the volume of the solid obtained by rotating the region bounded on the right by the graph of
g
(
y
)
=
3
y
and on the left by the
y
-axis for
1
≤
y
≤
7
, about the
x
-axis. Round your answer to the nearest hundredth position.

V
=

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: