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Category > Management Posted 09 Jul 2017 My Price 11.00

U.S. commercial airline

The following table gives the number of fatal accidents of U.S. commercial airline carriers in the 16 years from 1980 to 1995. Do these data disprove, at the 5 percent level of significance, the hypothesis that the mean number of accidents in a year is greater than or equal to 4.5? What is the p-value?

U.S. Airline Safety, Scheduled Commercial Carriers, 1980–1995

 

 

 

Fatal

 

 

 

 

 

 

Accidents

 

 

 

Depar-

Fatal

 

per

Depar-

Fatal

 

tures

Acci-

Fatal-

100,000

tures

Acci-

Fatal-

(millions)

dents

ities

Departures

(millions)

dents

ities

1980 …

5.4

0

0

.000

1988 …

6.7

3

285

1981 …

5.2

4

4

.077

1989 …

6.6

11

278

1982 …

5.0

4

233

.060

1990.

6.9

6

39

1983 …

5.0

4

15

.079

1991 …

6.8

4

62

1984 …

5.4

1

4

.018

1992 …

7.1

4

33

1985 …

5.8

4

197

.069

1993 …

7.2

1

1

1986 …

6.4

2

5

.016

1994 …

7.5

4

239

1987 …

6.6

4

231

.046

1995 …

8.1

2

166

Answers

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Status NEW Posted 09 Jul 2017 06:07 PM My Price 11.00

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