What are the least amount of lines needed to link all 9 dots set out in a square - three up and three across?https://www..com/fi
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The sum of the inner angles of a polygon with n sides is
Since your polygon has 6 sides, the sum of its inner angles has to be
On the other hand, the sum of its inner angles is
And it has to be 720, so we have
Answer: (0.1658, 0.2742)
Step-by-step explanation:
Formula to find the confidence interval for population proportion is given by :-
, where n= sample size
z*= Critical value
= sample proportion.
As per given , we have
Significance level :
According to z-table, Critical value for 99% confidence interval : z*=2.576
Let p be the proportion of people in the country that have red hair.
n= 388
Now, required confidence interval for proportion of people in the country that have red hair will be :-
The 99% confidence interval for the proportion of people in the country that have red hair= (0.1658, 0.2742)