A Confidence Interval Was Used to Estimate the Proportion of Statistics

question 40

Multiple Choice

A confidence interval was used to estimate the proportion of statistics students who are females.A random sample of 72 statistics students generated the following 90% confidence interval: (0.438,0.642) .Based on the interval above,is the population proportion of females equal to 0.60?

• A)No,and we are 90% sure of it.
• B)No.The proportion is 54.17%.
• C)Maybe.0.60 is a believable value of the population proportion based on the information above.
• D)Yes,and we are 90% sure of it.

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Definitions:

Sophisticated

Having a refined knowledge of the world, complex or developed in a way that is not immediately obvious.

Centrated Thinking

A cognitive phenomenon in early childhood, where a child focuses on one aspect of a situation while neglecting others, indicative of preoperational thinking according to Jean Piaget.

Reverse Thinking

An approach to problem-solving where one starts with the desired outcome and works backward to identify the steps necessary to achieve that outcome.

Conservation

Conservation is a concept in cognitive development, demonstrating that a child understands that quantities remain consistent despite changes in shape or arrangement, typically developed during the concrete operational stage.