The anser to 11/16 Decimal Word Problems Independent
2 of 42 of 4 Items
Item 2
POSSIBLE POINTS: 2.5
How much will a sub and a soda cost when you have a coupon for 30 cents off the total price? (Hint - Write 30 cents as a decimal.) IS )>#

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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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mathpapa

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d is the only accurate one

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