The Environmental Protection Agency (ERA) fut economny estimates for automobiles can be diesenbed by a normal model with men 100- mes per palo. What is the median miles per gallon for automobiles according to EP estimates, that Right click this link standard normal table to open a standard normal table separate window 065 0 273 om inspergation and deviation 503,85. -PX<)-630

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The Environmental Protection Agency (EPA) fuel economy estimates for automobiles can be described by a normal model with mean \( E(X) = \mu = 31 \) miles per gallon and standard deviation \( SD(X) = \sigma = 3.85 \) miles per gallon. What is the median miles per gallon for automobiles according to EPA estimates, that is, what is the miles per gallon x such that \( P(X \leq x) = 0.50 \)?

- A) 25.15
- B) 27.27
- C) 29.39
- D) 31.15

Right-click this link (standard normal table) to open a standard normal table in a separate window or tab.
Transcribed Image Text:The Environmental Protection Agency (EPA) fuel economy estimates for automobiles can be described by a normal model with mean \( E(X) = \mu = 31 \) miles per gallon and standard deviation \( SD(X) = \sigma = 3.85 \) miles per gallon. What is the median miles per gallon for automobiles according to EPA estimates, that is, what is the miles per gallon x such that \( P(X \leq x) = 0.50 \)? - A) 25.15 - B) 27.27 - C) 29.39 - D) 31.15 Right-click this link (standard normal table) to open a standard normal table in a separate window or tab.
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