A movie theatre complex will raise its ticket price if the average ticket price of theatres in

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A movie theatre complex will raise its ticket price if the average ticket price of theatres in Southern California exceeds $7.50. A random sample of 36 theatres resulted in a mean of $7.80. The population standard deviation is $1.00. What conclusion can be made at the 10% significance level? How about at the 5% significance level?

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