Spinning Euros. 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 equal probabilities. Polish students spunthe Belgian euro 200 times, with its portly king, Albert, displayed on the heads side. The result was 115 heads.Do the data provide evidence against equal probabilities? Use a significance level of α = 0.05.   STATE:    PLAN:   SOLVE: [Use the normal density curve provided to specify the sampling distribution of ?̂, mark the cut-offvalue of interest and compute the p-value.]   CONCLUDE:

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Author:Amos Gilat
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Spinning Euros. 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 equal probabilities. Polish students spun
the Belgian euro 200 times, with its portly king, Albert, displayed on the heads side. The result was 115 heads.
Do the data provide evidence against equal probabilities? Use a significance level of α = 0.05.

 

STATE: 

 

PLAN:

 

SOLVE: [Use the normal density curve provided to specify the sampling distribution of ?̂, mark the cut-off
value of interest and compute the p-value.]

 

CONCLUDE:

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