Answer part B

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 15E
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Answer part B 

Question 14 of 23
Attempt 5
In 2017, the entire fleet of light-duty vehicles sold in the United States by each manufacturer must emit an average of no
more than 84 milligrams per mile (mg/mi) of nitrogen oxides (NOX) and nonmethane organic gas (NMOG) over the useful
life (150,000 miles of driving) of the vehicle. NOX + NMOG emissions over the useful life for one car model vary
Normally with mean 78 mg/mi and standard deviation 6 mg/mi.
(a) What is the probability that a single car of this model emits more than 84 mg/mi of NOX + NMOG? (Enter your answer
rounded to four decimal places.)
probability: | 0.1587
(b) A company has 36 cars of this model in its fleet. What is the probability that the average NOX + NMOG level x of
Question Source: Moore, The Basic Practice Of Statistics, 8e Publisher: W.H.
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Transcribed Image Text:Question 14 of 23 Attempt 5 In 2017, the entire fleet of light-duty vehicles sold in the United States by each manufacturer must emit an average of no more than 84 milligrams per mile (mg/mi) of nitrogen oxides (NOX) and nonmethane organic gas (NMOG) over the useful life (150,000 miles of driving) of the vehicle. NOX + NMOG emissions over the useful life for one car model vary Normally with mean 78 mg/mi and standard deviation 6 mg/mi. (a) What is the probability that a single car of this model emits more than 84 mg/mi of NOX + NMOG? (Enter your answer rounded to four decimal places.) probability: | 0.1587 (b) A company has 36 cars of this model in its fleet. What is the probability that the average NOX + NMOG level x of Question Source: Moore, The Basic Practice Of Statistics, 8e Publisher: W.H. about us careers privacy policy terms of use contact us help 7:29 AM 11/8/202 0耳 自 回 hp insert
probability:
0.1587
(b) A company has 36 cars of this model in its fleet. What is the probability that the average NOX + NMOG level x of
these cars is above 84 mg/mi? (Enter your answer rounded to four decimal places.)
probability:
Question Source: Moore, The Basic Practice Of Statistics, 8e
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Transcribed Image Text:probability: 0.1587 (b) A company has 36 cars of this model in its fleet. What is the probability that the average NOX + NMOG level x of these cars is above 84 mg/mi? (Enter your answer rounded to four decimal places.) probability: Question Source: Moore, The Basic Practice Of Statistics, 8e help Publisher: W.H. Freeman about us careers privacy policy terms of use contact us 7:29 AM の |曲 11/8/2020 a (2) Chp EGO delete prt sc insert 19 144 fe 16 $4 K
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