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In: Statistics and Probability

The selling price of a new car is normally distributed with an average of $23090 and...

The selling price of a new car is normally distributed with an average of $23090 and a standard deviation of $3060. a) What proportion of new cars will sell for more than $19130? probability = b) Assuming a normal distribution, within what selling prices will the middle 96% fall? lower = , upper =

Expert Solution

From Z-table, Lookup for Z-value corresponding to area 0.02 to the left of the normal curve.

From Z-table, Lookup for Z-value corresponding to area 0.02 to the right of the normal curve.

orchestra answered 1 year ago

The selling price of a new car is normally distributed with an average of $20880 and...

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The selling price of a new car is normally distributed with an average of $21770 and...

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The average price for new mobile homes is known to be distributed with a population standard...

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The average price for new mobile homes is known to be distributed with population standard deviation...

The average price for new mobile homes is known to be distributed with population standard deviation of 300. If a random sample of 36 homes resulted in a sample mean of 55, 000, obtain a 90% confidence interval.

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