Find the circulation and flux of the field Bold Upper F equals negative 3 x squared Bold i minus 3 y squared Bold j around and across the closed semicircular path that consists of the semicircular arch Bold Bold r 1 (t )equals (a cosine t )iplus (a sine t )j, 0 less than or equals t less than or equals pi, followed by the line segment Bold r 2 (t )equals t Bold i, negative a less than or equals t less than or equals a.

Me max 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.