Question
In a large city, the population proportion of residents favoring the construction of a toll way passing through the city is p=.55. A random sample
In a large city, the population proportion of residents favoring the construction of a toll way passing through the city is p=.55. A random sample of n= 121residents is selected. Use p to denote the sample proportion of residents favoring the construction of a toll way passing through the city.
The mean (or expected value) of the sample proportion p is (2)
The standard deviation of the sample proportion p is closest to (2)
The probability that the sample proportion p is less than 0.56 is closest to (3)
The probability that the sample proportion p is larger than 0.54 is closest to (3)
The probability that the sample proportion p is larger than 0.57 is closest to (3)
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Numerical Analysis
Authors: Richard L. Burden, J. Douglas Faires
9th edition
538733519, 978-1133169338, 1133169333, 978-0538733519
