A Researcher Wants to Estimate the Proportion of a Population

question 52

Multiple Choice

A researcher wants to estimate the proportion of a population which possesses a given characteristic.A random sample of size 250 is taken and 40% of the sample possesses the characteristic.The 90% confidence interval to estimate the population proportion is ___.

• A)0.35 to 0.45
• B)0.34 to 0.46
• C)0.37 to 0.43
• D)0.39 to 0.41
• E)0.40 to 0.45

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Definitions:

Work Days

Days on which business is conducted, typically excluding weekends and public holidays.

Wage Rise

An increase in the rate of pay employees receive for their work, often as a result of negotiation, economic conditions, or to match inflation rates.

Compensated Absences

A provision for employees’ paid time off, including leave for vacations, illnesses, and personal reasons.

Short-Term

Refers to a time horizon or a period within twelve months or within an entity's operating cycle if it's longer.