A student believes that no more than 20% (i.e., 
20%) of the students who finish a statistics course get an A. A random sample of 100 students was taken. Twenty-four percent of the students in the sample received A's.
a.State the null and alternative hypotheses.
b.Using the critical value approach, test the hypotheses at the 1% level of significance.
c.Using the p-value approach, test the hypotheses at the 1% level of significance.
Definitions:
Corpus Callosum
A thick band of nerve fibers that divides the cerebrum into left and right hemispheres, facilitating communication between the two sides of the brain.
Sensory Sensitivity
Individual variance in the intensity of response to sensory inputs, such as light, sound, and texture.
Picky Eating
A selective eating behavior characterized by the refusal to eat certain foods or a limited range of food preferences.
Synaptic Pruning
The process by which extra neurons and synaptic connections are eliminated in the brain to increase the efficiency of neuronal transmissions.
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