Use the graph to help you find the trapezoids segment lengths, needed for finding the area. *Round any decimal answers to the nearest tenth.

b1 =___un b2 =___un h = ___un

A=___sq. un.

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.

click to let others know, how is it

0.0

0 votes

1

report

read more on -

step-by-step explanation:

i would say b) is your answer

sorry if im wrong

step-by-step explanation:

i'm a sophomore in connections, i'd recommend checking on jishka.com they have a large range of questions and answers from our school.

you a real one for tat answer

step-by-step explanation: