Simplify the expression so there is only one positive power for each base
1 answer:
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Answer:
12
Step-by-step explanation:
Given :
Male Female Total
Registered 60
Non registered 40
Total 20 80
Solution :
N= 100
Formula of expected frequency =
= expected frequency for the ith row/jth columm.
= total in the ith row
= total in the jth column
N = table grand total.
So, using formula
Expected frequency table
Male Female Total
Registered 12 48 60
Non registered 8 32 40
Total 20 80
So, the expected frequency for males who are registered voters are
Given:
.
To find:
The value of , rounding to the nearest thousandth.
Solution:
We know that,
On substituting , we get
Therefore, the value of is 0.646.