Question 2. The life span of an insect is BLACK X (ladder unit) with a single night of XEU SU ( kx² ( 4 - x ) neu x = [ 0.4 ] f ( x ) = { kx² ( 4 0 if vice versa a / Find the mean and standard deviation of life expectancy X. b / Observe the life spans of those 20 insects and call Y the number of insects that die before it is 1 month old. What distribution , calculate EY , DY .

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

Which ahows the graph of the solution set of 6x+4y< 12

Two students were asked if they liked to read. is this a good example of a statistical question? why or why not? a yes, this is a good statistical question because a variety of answers are given. b yes, this is a good statistical question because there are not a variety of answers that could be given. c no, this is not a good statistical question because there are not a variety of answers that could be given. no, this is not a good statistical question because there are a variety of answers that could be given