1 Answer

Alex Koshy · Answer 1 · 2023-12-17T23:56:03+0000

Step-by-step explanation:

The test statistic for proportion is equal to:

$z=\frac{p^(\prime)-p_{}}{\sqrt[]{(p(1-p))/(n)}}$

Where p' is the sample proportion, p is the value in H0, and n is the size of the sample.

In this case, p = 0.72, n = 51 and p' can be calculated:

$p^(\prime)=(37)/(51)=0.7255$

Then, replacing these values, we get:

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