The Mental Development Index (MDI) of the Bayley Child Development Scales is a standardized measure used to observe infants over a period of time. It is approximately normal with a mean of 100 and a standard deviation of 16. (Approximately 4 decimal places) to. If 5 children are studied independently, what is the probability that they all have an MDI of at least 100? b. What is the value of the Interquartile Interval (IQR) of the MDI scores?

When constructing a perpendicular line through a point off a line, how can you verify that the lines constructed are perpendicular? check the angles used in the construction with a straightedge to ensure consistency. check the distance along the lines at several places with a compass to ensure they are the same length. check the intersecting lines with the corner of a piece of paper to ensure the lines create 90° angles. check the distance between the lines at several places with a compass to ensure they are equidistant. question 2(multiple choice worth 1 points) (01.03 lc) which of the following steps is included in the construction of a perpendicular line through a point on a line? connect arcs that are above and below the given line with a straightedge. connect arcs that are above the original line with a straightedge. create arcs on either side of a point that is off the given line. create a copied angle by using the first two lines as the original angle.