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The average American man consumes 9.5 grams of sodium each day. Suppose that the sodium consumption...

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Statistics

The average American man consumes 9.5 grams of sodium each day.Suppose that the sodium consumption of American men is normallydistributed with a standard deviation of 0.8 grams. Suppose anAmerican man is randomly chosen. Let X = the amount of sodiumconsumed. Round all numeric answers to 4 decimal places wherepossible.

a. What is the distribution of X? X ~ N( , )

b. Find the probability that this American man consumes between8.6 and 9.5 grams of sodium per day.

c. The middle 20% of American men consume between what twoweights of sodium? Low: High:

Answer & Explanation Solved by verified expert
4.1 Ratings (632 Votes)
95 08ahere x follows normal distributionX N X N 95 064 bWe want to find P 86 x 95P 86 x 95    See Answer
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