In The United States Males Between The Ages Of 40 And 49 Eat On Average 103 1 G 1

In the United States, males between the ages of 40 and 49 eat on average 103.1 g of fat every day with a standard deviation of 4.32 g (“What we eat,” 2012). The amount of fat a person eats is not normally distributed but it is relatively mound shaped.

a.) State the random variable.

b.) Find the probability that a sample mean amount of daily fat intake for 35 men age 40-59 in the U.S. is more than 100 g.

c.) Find the probability that a sample mean amount of daily fat intake for 35 men age 40-59 in the U.S. is less than 93 g.

d.) If you found a sample mean amount of daily fat intake for 35 men age 40-59 in the U.S. less than 93 g, what would you conclude?

 

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