* Omar is preparing the soil in his garden for planting squash. The directions say to use 4 pounds of fertilizer for 160 square feet of soil. The area of Omar's garden is 200 square feet.
How much fertilizer is needed for a 200 square-foot garden?

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step-by-step explanation:

answer: 48

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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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step-by-step explanation:

a

step-by-step explanation:

strong negative correlation