Suppose a Flu Epidemic Is Sweeping a Campus and Many

question 6

Multiple Choice

Suppose a flu epidemic is sweeping a campus and many students are sick. Student health services finds that 30% of students are ill. A nurse samples a dormitory with 30 students and wants to calculate the probability that at least 10 students are sick. Which of the following statements is false?

• A)The binomial distribution cannot be used in this example, because the probability that 1 student is sick is not independent of another student in the dorm also being sick.
• B)The Normal approximation to the binomial cannot be used, because the binomial distribution is not an appropriate model.
• C)The Normal approximation to the binomial could not be used, even if the binomial were an appropriate model, because np = 30 × 0.3 = 9 and this violates one criterion for using the Normal approximation.
• D)The binomial distribution can be used here, because our variable of interest is a finite count with minimum 0 and maximum 30.

Recognize the role of natural selection, mutation, and random events in shaping evolutionary outcomes.

Understand the distinction between homologous and analogous traits and their significance in evolutionary biology.

Identify key features and adaptations in cetaceans that reflect their evolutionary past.

Grasp the complexity of virus-host interactions and the implications for disease spread and management.

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Definitions:

Adjusted Trial Balance

A list of all the accounts of a company, showing the balance of each after adjustments have been made for journal entries, typically used in the preparation of financial statements.

Debit Column Total

Represents the total sum of all debit entries within a specific period in accounting, which are recorded on the left-hand side of the ledger.

Balance Sheet Columns

Sections within a balance sheet representing assets, liabilities, and shareholders' equity at a specific point in time.

Capital Accounts

Financial accounts in a company's balance sheet that represent the owners' equity or the shareholders' stake in the company.