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In a random sample of 250 Winnipeggers, 80 of them said they use transit. A 94%...

In a random sample of 250 Winnipeggers, 80 of them said they use transit. A 94% confidence interval for the true proportion of all Winnipeggers who use transit is:

Note: Value of 90%(1.645 and 95%(1.960) is only provided in the table.

Math   Statistics-And-Probability   
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Answer #1

From Z-table, Lookup for z-value corresponding to area 0.97 to the left of the normal curve.
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