Weights of 10 red and 36 brown randomly chosen M{\&}M plain candies are listed below. Red: 0.882 0.877 0.913 0.923 0.898 0.874 0.92 0.898 0.871 0.983 0.882 0.913 0.898 0.92 0.871 0.877 0.923 0.874 0.898 0.983 Brown: 0.913 0.877 0.988 0.93 0.902 0.898 0.92 0.914 0.931 0.909 0.902 0.872 0.889 0.867 0.985 1.001 0.923 0.955 0.876 0.858 0.928 0.929 0.912 0.866 0.93 0.86 0.9 0.921 0.897 0.904 0.986 0.857 0.915 0.871 0.909 0.905 0.913 0.92 0.889 0.876 0.93 0.986 0.877 0.914 0.867 0.858 0.86 0.857 0.988 0.931 0.985 0.928 0.9 0.915 0.93 0.909 1.001 0.929 0.921 0.871 0.902 0.902 0.923 0.912 0.897 0.909 0.898 0.872 0.955 0.866 0.904 0.905 1. To construct a 90% confidence interval for the mean weight of red M{\&}M plain candies, you have to use A. The t distribution with 9 degrees of freedom B. The t distribution with 11 degrees of freedom C. The t distribution with 10 degrees of freedom D. The normal distribution E. None of the above 2. To construct a 90% confidence interval for the mean weight of brown M{\&}M plain candies, you have to use A. The normal distribution B. The t distribution with 36 degrees of freedom C. The t distribution with 35 degrees of freedom D. The t distribution with 37 degrees of freedom E. None of the above
Weights of 10 red and 36 brown randomly chosen M{\&}M plain candies are listed below.
Red: 0.882 0.877 0.913 0.923 0.898 0.874 0.92 0.898 0.871 0.983 0.882 0.913 0.898 0.92 0.871 0.877 0.923 0.874 0.898 0.983
Brown: 0.913 0.877 0.988 0.93 0.902 0.898 0.92 0.914 0.931 0.909 0.902 0.872 0.889 0.867 0.985 1.001 0.923 0.955 0.876 0.858 0.928 0.929 0.912 0.866 0.93 0.86 0.9 0.921 0.897 0.904 0.986 0.857 0.915 0.871 0.909 0.905 0.913 0.92 0.889 0.876 0.93 0.986 0.877 0.914 0.867 0.858 0.86 0.857 0.988 0.931 0.985 0.928 0.9 0.915 0.93 0.909 1.001 0.929 0.921 0.871 0.902 0.902 0.923 0.912 0.897 0.909 0.898 0.872 0.955 0.866 0.904 0.905
1. To construct a 90% confidence interval for the mean weight of red M{\&}M plain candies, you have to use
A. The t distribution with 9 degrees of freedom
B. The t distribution with 11 degrees of freedom
C. The t distribution with 10 degrees of freedom
D. The
E. None of the above
2. To construct a 90% confidence interval for the mean weight of brown M{\&}M plain candies, you have to use
A. The normal distribution
B. The t distribution with 36 degrees of freedom
C. The t distribution with 35 degrees of freedom
D. The t distribution with 37 degrees of freedom
E. None of the above
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