Taryn is hosting a party at a restaurant. The restaurant is charging her $150 to rent the space and $15 per guest. If Taryn wants to spend less than $525, which inequality could be used to solve for x, the number of guests Taryn can invite? A. $15x < $525 B. $15x - $150 < $525 C. $15x + $150 < $525 D. $15x < $150

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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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