Find the average age of these 10 pennies, which is the value of x. Perform a test with the null hypothesis that ? is equal to the value obtained for all 50 pennies and the alternative hypothesis that ? is not equal to this value. Use a significance level of .10.

Population of 50 Pennies Random Sample of 10 Pennies Year Total # Age Year Total # Age 58 1965 1 56 1963 56 1972 49 1965 1985 36 1967 54 - - - 5 49 1994 27 1972 - W N - 4 1998 23 1974 47 2002 - 19 1979 42 2015 1984 N - - 1985 36 2016 2020 1989 1990 Total 10 1992 1994 1995 1996 1998 1999 2001 2002 2006 2008 2011 2013 2014 2015 2016 2018 U - 4 2019 2020 Total 50 Mean 25.1071 Standard Deviation 17.3383