All euros have a national image on the \"heads\" side and a commondesign on the \"tails\" side. Spinning a coin, unlike tossing it, maynot give heads and tails with equal probabilities. Polish studentsspun the Belgian euro 259 times, with its portly king, Albert,displayed on the heads side. The result was 157 heads.
Test the hypothesis that the proportion of times a Belgian Eurocoin spins heads equals 50% at alpha = 0.05 .
The test statistic is z =???
with P-value ??? . (Use three decimals on both.)
