pcap = 220/400 = 0.5500
H0: p = 0.5
Ha: p not equals 0.5
Test statistic,
z = (0.55 - 0.5)/sqrt(0.5*0.5/400)
z = 2
p-value = 0.0455
For 5%, 10% and 20%, p-value is less than significance level, hence reject null hypothesis.
Hence in for 0.1%, 1% and 3% Mordo's claim hold true.
b)
n = 400
p = 0.55
z-value of 99.9% CI = 2.5758
SE = sqrt(p*(1-p)/n) = 0.02487
ME = z*SE = 0.06407
Lower Limit = p - ME = 0.48593
Upper Limit = p + ME = 0.61407
99.9% CI (0.4859 , 0.6141 )
c)
48.59 and 61.41
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I need help with research critique summary of this below
article
in
APA format and in text citation and the reference
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Evaluate the arical
writ the response in which you state your agreement or disagreement
with writer up un these questions guidelines
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thank you
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