Refer to Exercise 13.9. Let ?A and ?B denote the mean
Chapter 13, Problem 26E(choose chapter or problem)
Refer to Exercise 13.9. Let \(\mu_{A}\) and \(\mu_{B}\) denote the mean strengths of concrete specimens prepared for mix A and mix B, respectively.
a Find a 90% confidence interval for μA.
b Find a 95% confidence interval for \(\left(\mu_{A}-\mu_{B}\right)\).
Equation transcription:
Text transcription:
mu{A}
mu{B}
(mu{A}-mu{B})
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