Question
Weights of 10 red and 36 brown randomly chosen M{&}M plain candies are listed below. Red: 0.907 0.897 0.912 0.891 0.874 0.936 0.898 0.913 0.871
Weights of 10 red and 36 brown randomly chosen M{\&}M plain candies are listed below.
Red:
0.907 | 0.897 | 0.912 | 0.891 | 0.874 |
0.936 | 0.898 | 0.913 | 0.871 | 0.923 |
Brown:
0.93 | 0.913 | 0.898 | 0.921 | 0.872 | 0.866 |
0.931 | 0.92 | 0.914 | 1.001 | 0.92 | 0.936 |
0.902 | 0.875 | 0.857 | 0.915 | 0.9 | 0.877 |
0.923 | 0.986 | 0.905 | 0.876 | 0.897 | 0.93 |
0.929 | 0.871 | 0.918 | 0.889 | 0.928 | 0.861 |
0.988 | 0.912 | 0.867 | 0.858 | 0.86 | 0.902 |
1.To construct a 90% confidence interval for the mean weight of red M{\&}M plain candies, you have to use A.The normal distribution B.The t distribution with 10 degrees of freedom C.The t distribution with 9 degrees of freedom D.The t distribution with 11 degrees of freedom E.None of the above 2.A 90% confidence interval for the mean weight of red M{\&}M plain candies is ________<<__________ 3.To construct a 90% confidence interval for the mean weight of brown M{\&}M plain candies, you have to use A.The t distribution with 36 degrees of freedom B.The t distribution with 37 degrees of freedom C.The normal distribution D.The t distribution with 35 degrees of freedom E.None of the above 4.A 90% confidence interval for the mean weight of brown M{\&}M plain candies is __________<<____________
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