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what were the two reasons that the polish government imposed martial law in poland in the early 1980s?
to gain control from the soviet union
to reward the workers of poland with increased wages
to prevent labor union activities in the country
to have greater control over people fleeing the nation
to put an end to the solidarity organization
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It was to reward the workers with good wages and to put an end to the Solidarity Organization.

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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:

parallelogram is the   answer