A company manufactures acoustic guitars. The table shows the number of units that the company sold each month over a nine month period beginning in January

need help ASAP! 49 POINTS

Step-by-step explanation:

so i would round the awnsers to c or a because b or d just dont fit the sullution to the problem so these are my best 2 guesses and if im worng you can report me

hoped i helped

mark brainiliest if right

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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