Solve the Problem. -Suppose You Know That the Distribution of Sample Proportions of Sample

question 67

Multiple Choice

Solve the problem.
-Suppose you know that the distribution of sample proportions of fifth grade students in a large school district who read below grade level in samples of 100 students is normal with a mean of 0.30 and a standard deviation of 0.04. Suppose that you select a sample of 100 fifth grade students from this district and find that the proportion who read below grade level in the sample is 0.4. What is the probability that a second sample would be selected with a proportion less than 0.4 ?

• A)0.0047
• B)0.0062
• C)0.9938
• D)0.9953

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Definitions:

Sensation

The process by which sensory receptors perceive stimuli from the environment, leading to immediate and basic experiences.

Perception

The process by which individuals organize and interpret their sensory impressions to give meaning to their environment.

Primary Odours

Fundamental categories of smell that are universally recognized, such as fruity, floral, spicy, or putrid, believed to be the building blocks of all scent experiences.

Olfactory Receptors

Specialized nerve cells located in the nasal cavity that are responsible for detecting odors and initiating the sense of smell.