please give answer in a,b,c,d format. give calculation.
Ans:
1)
Hypothesis statements:
Null:The long run proportion of times that a player starts with rock is 33%.
Alt:The long run proportion of times that a player starts with rock is different from 33%
Option b is correct.
2)
sample proportion=0.555
Test statistic:
z=(0.555-0.33)/sqrt(0.33*(1-0.33)/119)
z=5.22
p-value(2 tailed)=2*P(z>5.22)=0.0000
We have very strong evidence that the long run proportion of times that a player starts with rock is different from 33%
Option b is correct.
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