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Some frozen food dinners were randomly selected from this week's production and destroyed in order to...

Some frozen food dinners were randomly selected from this week's production and destroyed in order to measure their actual calorie content. The claimed calorie content is 200. Here are the calorie counts for each frozen dinner selected:

186
212
213
193
196
198
209
202
194
212
204
211


Assume the distribution of calories is normal.
(a) The test statistic (z/t) is

. Use two decimals.
(b) Does the sample indicate that the mean calorie content is 200? Set α=0.05.  ? Yes No
(c) Find the P-value of the test in (a)-(b)

Math   Statistics-And-Probability   
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