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  3. your local grocery store claims that on average th

Your local grocery store claims that on average their fresh caught salmon will weigh 2 pounds....

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Basic Math

  1. Your local grocery store claims that on average their freshcaught salmon will weigh 2 pounds. You want to test to see if theirclaim is correct so you gather a simple random sample of 45packages of their fresh caught salmon, weigh each package, and findthat the average weight of these packages is 1.76 pounds. Based onyears of data, the grocery store determined that the standarddeviation ? = 0.08 pounds. What is the probability of obtaining thesample that you got? Do you think the grocery store is wrong to saythat on average their packages of salmon weigh 2 pounds? Why or whynot?

Answer & Explanation Solved by verified expert
3.8 Ratings (549 Votes)
Given that population meanu2 standard deviation 008 sample mean x 176 number n45 null Ho 2 alternate H1 2 level of significance 005 from standard normal table two tailed z 2 196 since our test is twotailed    See Answer
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