A Random Sample of 64 Items Is Selected from a Population

question 85

Multiple Choice

A random sample of 64 items is selected from a population of 400 items.The sample mean is 200. The population standard deviation is 48.From this data,a 95% confidence interval to estimate the population mean can be computed as _______.

• A) 189.21 to 210.79
• B) 188.24 to 211.76
• C) 190.13 to 209.87
• D) 190.94 to 209.06
• E) 193.45 to 211.09

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Definitions:

Negative Messages

Communication that conveys a refusal, rejection, or other unpleasant news in a tactful and considerate manner.

Buffer

A neutral opening statement in an indirect negative message that establishes common ground with the reader without revealing the main idea.

Specific Statements

Precise and clear expressions that convey particular information or detail without ambiguity.

Poorly Written

Describes text that is badly composed, making it difficult to understand or lacking clarity.