Question: 3 . We would like to estimate the true mean size / ( in square feet ) of all two-bedroom apartments in Winnipeg . A

3 . We would like to estimate the true mean size / ( in square feet ) of all two-bedroom apartments in Winnipeg . A random sample of 30 two - bedroom apartments in the city is selected , and the mean size of these apartments is calculated to be 1000 square feet. Suppose it is known that sizes of two- bedroom apartments in the city follow a normal distribution with standard deviation 200 square feet . ( 2 ) Calculate a 93% confidence interval for the true mean size of all two - bedroom apart. ments in Winnipeg ( b) Interpret the meaning of the interval you calculated in ( a ) .3 . ( 2 ) ( 93.3.9 , 1066.1 ) ( b) If we took repeated samples of size 30 and calculated the interval in a similar manner , 93 % of all such intervals would contain the true mean size of all two - bedroom apartments in Winnipeg

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