Which statements about the composite figure are true?
Check all that apply.
t
x1.5 10
The composite figure consists of two rectangular
pyramids.
The composite figure can be broken down into
rectangular prisms,
The volume of the composite figure is
1.5(9)(5) + 1.5(9)(5)
The total volume is 45 units
The total volume is 90 units

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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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step-by-step explanation:

first one because it can't have a fraction in it

step-by-step explanation: