Decide and state whether a one-sample z test, a two- sample z test, or a t test is appropriate. Whichever test you choose, state your null hypothesis, then obtain a P -value and formulate a valid conclusion.
A coin is tossed 1,000 times, landing heads up 483 times. Is the coin fair?
We have to test, is coin fair or not?
so here we have to use one sample proportion Z test.
If we consider alpha=0.05
P-value>alpha
Therefore, we fail to reject Ho.
That is, we can say that coin is fair.
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