23/06/2020 #
ERSC 123
Quizer
a A student
scored Grof
in mathematid
and 61% in physier. I was
which subrect
eliel
the
student
perform well if the
and standard Denation
were co% and s and 642,7
for
matios
and
Phyrics
clasts
mean
mathe-
8
sospectively (roman)

Need now 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.

Classify the following triangle check all tht apply

Angle a and angle b are both supplementary angles. what must be true about the angles?