Answer:
- Domain: Interval notation is
, set builder is
- Range: Interval notation is
, set builder is
Step-by-step explanation:
The domain is the set of x-values and the range is the set of y-values.
Solve the following system by the substitution method 2x+y=4 y+2x
1 answer:
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Answer:
<em>90% confidence the Population mean number of texts per day</em>
(42.2561 ,47.1439)
Step-by-step explanation:
<u><em>Step(i):-</em></u>
Given sample size 'n' = 147
mean of the sample size x⁻ = 44.7
standard deviation of the sample 'S' = 17.9
<em>90% confidence the Population mean number of texts per day</em>
<u><em>Step(ii):-</em></u>
<em>Degrees of freedom </em>
<em> ν=n-1=147-1=146</em>
<em>t₀.₁₀ = 1.6554</em>
(44.7 - 2.4439 ,44.7 + 2.4439 )
(42.2561 ,47.1439)
<em><u>Conclusion:</u></em>-
<em>90% confidence the Population mean number of texts per day</em>
(42.2561 ,47.1439)