I\'ve already posted this but am confused about the answers. for 24 does n=1 or

Question

I've already posted this but am confused about the answers. for 24 does n=1 or 7. I see that "a" is bold so I believed it to be 1. the answer I received showed it as 7. please explain.

Also, please provide the answer to 24 with explanation as how the probability is found.

ve azi An airline knows from experience that the distribution of the number of suitcases that get 23) lost each week on a certain route is approximately normal with = 15.2 and -32. What is the probability that during a given week the airline will lose an average of less than xbar= 20 suitcases? Show your work in the space below. u 52 20-15.2 3.2 32 24) The average number of pounds of red meat a person consumes each year is 196 with á 24) standard deviation of 22 pounds (Source: American Dietetic Association). If a sample of 50 individuals is randomly selected, find the probability that the mean of the sample will be greater than 200 pounds. Show your work in the space below. hina t 5 Gúvs in Findlay dispenses normally distributed 25) f 05

Explanation / Answer

23)( here n should be equal to 1; as we are talking about mean of 1 week; and distribution is normal for 1 week)

hence probability that mean is less than 20 for 1 week::

24)

probability that mean of sample is greater than 200:

( please revert fr any clarification required)

for normal distribution z score =(X-)/ here mean=       = 15.2 std deviation   == 3.2000

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