The home run percentage is the number of home runs per 100 times at bat. A random sample of 43 professional baseball players gave the following data for home run percentages.

1.6	2.4	1.2	6.6	2.3	0.0	1.8	2.5	6.5	1.8
2.7	2.0	1.9	1.3	2.7	1.7	1.3	2.1	2.8	1.4
3.8	2.1	3.4	1.3	1.5	2.9	2.6	0.0	4.1	2.9
1.9	2.4	0.0	1.8	3.1	3.8	3.2	1.6	4.2	0.0
1.2	1.8	2.4

(a) Use a calculator with mean and standard deviation keys to findxands. (Round your answers to four decimal places.)

x=	%
s=	%

(b) Compute a 90% confidence interval for the population meanof home run percentages for all professional baseball players.Hint:If you use theStudent'stdistribution table, be sure to use the closestd.f.that issmaller. (Round your answers to two decimal places.)

lower limit	%
upper limit	%

(c) Compute a 99% confidence interval for the population meanof home run percentages for all professional baseball players. (Round your answers to two decimal places.)

lower limit	%
upper limit	%