Question

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Answer 1

1.

One-tail, z = 2.326

Two-tail, z =  ± 2.58

2.

Ho: p = 50 Ha: p < 50

X - μo 2= 45 - 50 22/100 2.273 olun

$z_{\alpha }$ = -2.31

p-value = 0.0115 > 0.0104 i.e. H₀ is not rejected.

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