For a Normal Population with a Mean of µ =

question 31

Multiple Choice

For a normal population with a mean of µ = 80 and a standard deviation of σ = 10,what is the probability of obtaining a sample mean greater than M = 75 for a sample of n = 25 scores?​

• A)p = 0.0062​
• B)​p = 0.9938
• C)​p = 0.3085
• D)​p = 0.6915

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Definitions:

Receiving Neuron

A neuron that receives signals from other neurons at a synapse.

Refractory Period

The period of time during which an organ or cell is incapable of repeating a particular action, or the amount of time it takes to return to its original state.

Action Potential

A rapid, temporary change in a cell's membrane potential, crucial for the conduction of nerve impulses along neurons.

Time Interval

The duration or the amount of time between two events, often measured in units such as seconds, minutes, hours, or days.