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Hypothesis Testing - About Proportion (1)

# Hypothesis Testing - About Proportion (1) - Hypothesis...

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Unformatted text preview: Hypothesis Testing - about proportion Examples 1) A researcher claims that the proportion of smoking adults in a town is less than 34%. A random sample of 233 adults in this town yeilds 96 smokers. Can you conclude at 5% signiﬁcance level, the proprtion of smoking adults in this town is ggater than 34%? (i) State the null and alternative hypothesis. ﬁo‘ P = 3+ Ha ' P > .34” 1&ng Tm l T685— x:S-’I 1 .05 (ii) Find the sample proportion of smoking adults. l'hu h" 17.)?) 31L gampw pofhon= p -: 13,2, (iii) Calculate the test statistics. .441 _ . Tes‘r SﬂnsnMY—‘ﬂ. = .gg\ =~ 2.7a?— (iv) Find the p— value. PAWHWO = l-ﬂ‘bﬂ‘b 0 2,4,1 ‘ -0lo’1~ lv Fwd on Chane (v) What is your conclusion? X'— 0 0g pix/muff- ,Olbi meuei wt '2 QLJCC‘i‘ Ho M» 6% gleml'lmmb levu1 W PNW‘KW‘” 0‘; , c Smwmg adults m ems town ‘9 WWW" W‘m‘ 54' 7“ ...
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