(22.09) All euros have a national image on the \"heads\" side and a common desig

Question

(22.09) All euros have a national image on the "heads" side and a common design on the "tails" side. Spinning a coin, unlike tossing it, may not give heads and tails with equal probabilities. Polish students spun the Belgian euro 251 times, with its portly king, Albert, displayed on the heads side. The result was 138 heads.

Test the hypothesis that the proportion of times a Belgian Euro coin spins heads equals 50% at alpha = 0.02.

The test statistic is z =___ with P-value ____. (Use three decimals on both.)

The null hypothesis is:

not rejected

rejected

Explanation / Answer

(22.09) All euros have a national image on the "heads" side and a common desig

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