In a Certain State, the Daily Amounts of Industrial Waste

question 4

Multiple Choice

In a certain state, the daily amounts of industrial waste are normally distributed, with a mean of 9,000 tons and a standard deviation of 1,000 tons. Find the probability that on a randomly selected day the amount of industrial waste is less than 7,000 tons. Use a table of the standard normal distribution to solve the problem. Round your answer to four decimal places. ​

• A)0.9772
• B)0.1836
• C)0.7936
• D)0.0228
• E)0.7720

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Definitions:

Statement Of Comprehensive Income

A financial statement that displays all changes in equity during a period except those resulting from investments by and distributions to the company’s shareholders.

Other Comprehensive Income

Income that includes all changes in equity from non-owner sources, such as foreign exchange adjustments or unrealized gains/losses on certain investments, not included in net income.

Vertical Analysis

A method of financial statement analysis in which each entry for each of the three major categories of accounts (assets, liabilities, and equity) is represented as a proportion of the total account.

Net Sales

The amount of sales revenue remaining after deducting sales returns, allowances, and discounts.