Answer:
Do not reject 
Step-by-step explanation:
From the question we are told that
Sample size 
Sample size 
Sample proportion 1 
Sample proportion 2 
95% confidence interval
Generally for 95% confidence level
Level of significance
Therefore
Generally the equation for confidence interval between 
is mathematically given as
Therefore
Confidence interval is
Conclusion
Given the confidence interval has zero
Therefore do not reject
a) because the denominators are the same add the numerators:
1 1/5 + 3 2/5 = 4 3/5
b) rewrite the fractions to have a common denominator:
1/2 = 3/6
1/3 = 2/6
Now subtract:
4 3/6 - 1 2/6 = 3 1/6
Answer:
30 dollars
Step-by-step explanation:
4(5) + 10 = 20 + 10 = 30
Answer:
Ans: 0.0014
Step-by-step explanation:
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Hello there,
If c=-2 just plug in -2 for every c you see.
(-2)²-7(-2)-8
This simplifies to
4+14-8
18-8
10
Hope this helps!
