You were overcharged $4.52 on your cell phone bill 3 months in a row. The cell phone company says that it will add $4.52 to your next bill for each month you wereovercharged. On the next bill, you see an adjustment of 13.28. Is this amount correct? Explain.

answer:  

123455421

step-by-step explanation: easy

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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i wish i could you, i have no idea how to answer this

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