An archaeologist used string to make a grid over an area where she was digging . She discovered a bowl buried at (1, 4) and a tool at (3, 10) on her grid. She suspected that an item was buried at the midpoint of the segment connecting the bowl and the tool. At which position on her gird should the archaeologist dig to look for the buried item?

if x decreases by 4 then y increases by 10

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answer: it's a

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answer is 12345678900987654321234567890987654321

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hello,

b) 62.47% of the students are between 14 and 18 years old.

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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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