Sodium in Frozen Food The average number of milligrams
Chapter 6, Problem 15(choose chapter or problem)
Sodium in Frozen Food The average number of milligrams (mg) of sodium in a certain brand of low-salt microwave frozen dinners is 660 mg, and the standard deviation is 35 mg. Assume the variable is normally distributed. a. 0.3859 (TI: 0.3875) a. If a single dinner is selected, find the probability that the sodium content will be more than 670 mg. b. If a sample of 10 dinners is selected, find the probability that the mean of the sample will be larger than 670 mg. 0.1841 (TI: 0.1831) c. Why is the probability for part a greater than that for part b? Individual values are more variable than means.
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