A state highway patrol official wishes to estimate the number of drivers that exceed the speed limit on a certain road. How large of a sample is needed in order to be 95% confident that the sample proportion will not differ from the true proportion by more tan 2%. A previous study indicated that 72% of drivers on this road exceed the speed limit.

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

One integer is 5 more than another. their product is 104. find the integers

Needmax recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.