Scenario:
On March 28 at 1:30 pm, I randomly selected 10 states and found
the number of...
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Scenario:
On March 28 at 1:30 pm, I randomly selected 10 states and foundthe number of coronavirus cases in each of them.  Thisgave me an average of 939 cases with a standard deviation of1543.  Assume the number of cases in each state isnormally distributed.  Create a 90% confidence intervalfor the actual number of coronavirus cases in each state.
Question:
3. Using the scenario from question 1, how many states wouldneed to be selected to be 90% confident that the sample mean numberof cases would be within 500 of the actual mean?
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Solution Given that1 Point estimate sample mean 939sample standard deviation s
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