Answer:
Step-by-step explanation:
Subtract 2 from both sides:
Subtract 5x from both sides:
Divide both sides by 2:
This question is that I need help with is "Finding angle measures between intersecting lines"
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Answer:
The confidence interval for the population mean μ is
Step-by-step explanation:
Given :
Number of weights of newborn girls n=185.
Mean hg
Standard deviation s=7.5 hg
Use a 95% confidence level i.e. cl=0.95
To find : What is the confidence interval for the population mean μ?
Solution :
Using t-distribution,
The degree of freedom
The t critical value is t=1.973.
The confidence interval build is
Substitute the values,
Therefore, the confidence interval for the population mean μ is