Dirty air: The federal government has enacted maximum allowable standards for air pollutants such as ozone. Let X be the of days per year that the level of air pollution exceeds the standard in a certain city. The probability distribution of X is given 1 2 3 P(x) 0.35 0.38 0.19 0.05 0.03 X Send data to Excel Part 1 of 4 (a) Find P (3). P(3)= 0.05 Part 2 of 4 0 (b) Find P (3 or fewer). P (3 or fewer) = 0.97 Part 3 of 4 Part: 3/4 (c) Find the probability that the standard is exceeded on at least two days. The probability that the standard is exceeded on at least two days is 0.27 Part 4 of 4 4 (d) Find the probability that the standard is exceeded on more than two days. The probability that the standard is exceeded on more than two days is

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Dirty air: The federal government has enacted maximum allowable standards for air pollutants such as ozone. Let X be the number
of days per year that the level of air pollution exceeds the standard in a certain city. The probability distribution of X is given by
(→
1
2 3 4
P(x) 0.35 0.38 0.19 0.05 0.03
X
Send data to Excel
Part 1 of 4
(a) Find P (3).
P (3)= 0.05
Part 2 of 4
0
(b) Find P (3 or fewer).
P (3 or fewer) = 0.97
Part 3 of 4
(c) Find the probability that the standard is exceeded on at least two days.
The probability that the standard is exceeded on at least two days is 0.27
Part: 3/4
Part 4 of 4
(d) Find the probability that the standard is exceeded on more than two days.
The probability that the standard is exceeded on more than two days is
B
V
Transcribed Image Text:Dirty air: The federal government has enacted maximum allowable standards for air pollutants such as ozone. Let X be the number of days per year that the level of air pollution exceeds the standard in a certain city. The probability distribution of X is given by (→ 1 2 3 4 P(x) 0.35 0.38 0.19 0.05 0.03 X Send data to Excel Part 1 of 4 (a) Find P (3). P (3)= 0.05 Part 2 of 4 0 (b) Find P (3 or fewer). P (3 or fewer) = 0.97 Part 3 of 4 (c) Find the probability that the standard is exceeded on at least two days. The probability that the standard is exceeded on at least two days is 0.27 Part: 3/4 Part 4 of 4 (d) Find the probability that the standard is exceeded on more than two days. The probability that the standard is exceeded on more than two days is B V
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Follow-up Question
Dirty air: The federal government has enacted maximum allowable standards for air pollutants such as ozone. Let X be the
number of days per year that the level of air pollution exceeds the standard in a certain city. The probability distribution of X
is given by
Part 1 of 6
(a) Find P(1).
P(1) = 0.39
Part 2 of 6
Part: 2 / 6
Part 3 of 6
(b) Find P (3 or fewer).
P (3 or fewer)= 0.97
Part: 3 / 6
Part 4 of 6
1 2 3
4
P(x) 0.34 0.39 0.19 0.05 0.03
X
Part: 4 / 6
Send data to Excel
(c) Find the probability that the standard is exceeded on at least two days.
Part 5 of 6
0
The probability that the standard is exceeded on at least two days is 0.27
Hx
X
X
(d) Find the probability that the sta d is exceeded on more than two days.
5
19
The probability that the standard is exceeded on more than two days is 0.08
X
(e) Compute the mean Hx. Round the answer to two decimal places.
X
X
S
Transcribed Image Text:Dirty air: The federal government has enacted maximum allowable standards for air pollutants such as ozone. Let X be the number of days per year that the level of air pollution exceeds the standard in a certain city. The probability distribution of X is given by Part 1 of 6 (a) Find P(1). P(1) = 0.39 Part 2 of 6 Part: 2 / 6 Part 3 of 6 (b) Find P (3 or fewer). P (3 or fewer)= 0.97 Part: 3 / 6 Part 4 of 6 1 2 3 4 P(x) 0.34 0.39 0.19 0.05 0.03 X Part: 4 / 6 Send data to Excel (c) Find the probability that the standard is exceeded on at least two days. Part 5 of 6 0 The probability that the standard is exceeded on at least two days is 0.27 Hx X X (d) Find the probability that the sta d is exceeded on more than two days. 5 19 The probability that the standard is exceeded on more than two days is 0.08 X (e) Compute the mean Hx. Round the answer to two decimal places. X X S
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Follow-up Question
Part: 4 / 6
Part 5 of 6
(e) Compute the mean μy. Round the answer to two decimal places.
Mx =
Next Part
X
Ś
WW
Su
2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy c
Transcribed Image Text:Part: 4 / 6 Part 5 of 6 (e) Compute the mean μy. Round the answer to two decimal places. Mx = Next Part X Ś WW Su 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy c
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Follow-up Question
The probability that the standard is exceeded on more than two days is 0.08
Part: 4 / 6
Part 5 of 6
(e) Compute the mean μx. Round the answer to two decimal places.
μx
Next Part
X
S
Subr
© 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Ce
Transcribed Image Text:The probability that the standard is exceeded on more than two days is 0.08 Part: 4 / 6 Part 5 of 6 (e) Compute the mean μx. Round the answer to two decimal places. μx Next Part X S Subr © 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Ce
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