The oligopoly is known to have a one producer dominating the market. This results in a few suppliers/sellers in the market, and thus can cause a high increase in the price of the products that are being sold in its respective community.
Answer:
4.28 grams
Explanation:
The z score is used to determine by how many standard deviations the raw score is above or below the mean. The z score is given by the formula:

Given that:
P(x > 5.1 grams) = 5%, x = 5.1 grams, σ = 0.5 grams
P(x > 5.1 grams) = 5%
P(x < 5.1 grams) = 100% - 5% = 95%
P(x < 5.1) = 95%
From the normal distribution table, 95% corresponds with a z score of 1.645. Hence:

Effects:
increased anti-labour and anti-immigrant sentiment and suspicion of the international anarchist movement
Causes:
Haymarket Square turned into a riot after someone threw a bomb at police.
Stabilize the float of economy and value
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