Determine the likelihood of a sample mean

Question

Refer to the baseball dataset provided on the author's website. Over the last 10 years, the mean attendance per team followed a normal distribution with a mean of 2.25 million per team and a standard deviation of.70 million.

Use a statistical software to compute the mean attendance per team for the 2009 season.

Determine the likelihood of a sample mean this large or larger from the population.

Team	League	Built	Size	Salary	Wins	Attendance	BA	ERA	HR	Errors	SB			Year	Average
X1	X2	X3	X4	X5	X6	X7	X8	X9	X10	X11	X12			X13	X14
Baltimore Orioles	1	1992	48876	67.1	64	1.91	0.268	5.15	160	90	76			1989	$512,930
Boston Red Sox	1	1912	39928	121.8	95	3.06	0.270	4.35	212	82	126			1990	$578,930
Chicago White Sox	1	1991	40615	96.1	79	2.28	0.258	4.14	184	113	113			1991	$891,188
Cleveland Indians	1	1994	43345	81.6	65	1.77	0.264	5.06	161	97	84			1992	$1,084,408
Detroit Tigers	1	2000	41782	115.1	86	2.57	0.260	4.29	183	88	72			1993	$1,120,254
Kansas City Royals	1	1973	40793	70.5	65	1.80	0.259	4.83	144	116	88			1994	$1,188,679
Los Angeles Angels	1	1966	45050	113.7	97	3.24	0.285	4.45	173	85	148			1995	$1,071,029
Minnesota Twins	1	2010	40000	65.3	87	2.42	0.274	4.50	172	76	85			1996	$1,176,967
New York Yankees	1	2009	52325	201.5	103	3.72	0.283	4.26	244	86	111			1997	$1,383,578
Oakland Athletics	1	1966	34077	62.3	75	1.41	0.262	4.26	135	105	133			1998	$1,441,406
Seattle Mariners	1	1999	47116	98.9	85	2.20	0.258	3.87	160	105	89			1999	$1,720,050
Tampa Bay Rays	1	1990	36048	63.3	84	1.87	0.263	4.33	199	98	194			2000	$1,988,034
Texas Rangers	1	1994	49115	68.2	87	2.16	0.260	4.38	224	106	149			2001	$2,264,403
Toronto Blue Jays	1	1989	50516	80.5	75	1.88	0.266	4.47	209	76	73			2002	$2,383,235
Arizona Diamondbacks	0	1998	49033	73.5	70	2.13	0.253	4.42	173	124	102			2003	$2,555,476
Atlanta Braves	0	1996	50091	96.7	86	2.37	0.263	3.57	149	96	58			2004	$2,486,609
Chicago Cubs	0	1914	41118	134.8	83	3.17	0.255	3.84	161	105	56			2005	$2,632,655
Cincinnati Reds	0	2003	42059	73.6	78	1.75	0.247	4.18	158	89	96			2006	$2,866,544
Colorado Rockies	0	1995	50445	75.2	92	2.67	0.261	4.22	190	87	106			2007	$2,944,556
Florida Marlins	0	1987	36331	36.8	87	1.46	0.268	4.29	159	106	75			2008	$3,154,845
Houston Astros	0	2000	40950	103.0	74	2.52	0.260	4.54	142	78	113			2009	$3,240,000
Los Angeles Dodgers	0	1962	56000	100.4	95	3.76	0.270	3.41	145	83	116
Milwaukee Brewers	0	2001	42200	80.2	80	3.04	0.263	4.83	182	98	68
New York Mets	0	2009	45000	149.4	70	3.15	0.270	4.45	95	97	122
Philadelphia Phillies	0	2004	43647	113.0	93	3.60	0.258	4.16	224	76	119
Pittsburgh Pirates	0	2001	38496	48.7	62	1.58	0.252	4.59	125	73	90
San Diego Padres	0	2004	42445	43.7	75	1.92	0.242	4.37	141	94	82
San Francisco Giants	0	2000	41503	82.6	88	2.86	0.257	3.55	122	88	78
St. Louis Cardinals	0	2006	49660	77.6	91	3.34	0.263	3.66	160	96	75
Washington Nationals	0	2008	41888	60.3	59	1.82	0.258	5.00	156	143	73