I will mark the person brainliest who answers with an actual correct answer
Please help!!!
Due soon!!

I think it's B or C

Step-by-step explanation:

its B) 3<x<7 bcs if u can see u have to start from the y xs and go up 3 and over 7

step-by-step explanation:

20% of 120 is 24. if you subtract 24 from 120 you get 96

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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