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1.How much do adult male grizzly bears weigh in the wild?
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1.  How much do adult male grizzly bears weigh in the wild? Six adult

males were captured, tagged and released in California and here are their weights:
         480, 580, 470, 510, 390, 550
a.   What is the point estimate for the population mean?
b.   Construct at 90% confidence interval for the population average weight of all adult male grizzly bears in the wild.
Interpret the confidence interval in the context of this problem.


5.  After going to a fast food restaurant, customers are asked to take a survey. Out of a random sample of 340 customers, 290 said their experience was "satisfactory." Let p represent the proportion of all customers who would say their experience was "satisfactory."
a.   What is the point estimate for p?
b.   Construct a 99% confidence interval for p.
c.   Give a brief interpretation of this interval.

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