The random variable x = the number of vehicles owned. find the standard deviation of the
number of vehicles owned. round answer to 4 decimal places.
x
1 0 1 | 2 | 3 | 4
p(x)
0.1 0.35 0.25 0.2 0.1

For a school newspaper article, cienna conducted a survey to find out students’ favorite subjects. she polled all the students in mrs. lopez’s advanced dance class. why is her data likely to be skewed? honors dance students are more likely to enjoy dance than students in the general population, so dance may be overrepresented. cienna should have interviewed all the students in the school to get more accurate data. honors dance students are more likely to enjoy dance than students in the general population, so dance will be underrepresented. cienna should have interviewed only every other student in the class to avoid having too many people.

Which expression is equivalent to 2x^2+7x+4?

Agraph of a trapezoid can have diagonals with slopes that are negative reciprocals and two pairs of adjacent sides that are congruent, true or false, and why