Answer:
b. Kathy
Step-by-step explanation:
We compare each of their score by how far away from the mean when in term of the standard deviation. Using the following formula
For John he is (85 - 75)/5 = 2.
For Kathy she is (80 - 50)/10 = 3.
Since Kathy is 3 standard deviation better than her class' average, while John is only 2's. We conclude that Kathy did better.
its 52 duh! :) my mom taught me
Answer:
The major difference between the intersecting lines and the perpendicular lines is that intersecting lines are the two lines in which they intersect each other at any angle, whereas the perpendicular lines are the two lines, in which they intersect at an angle of 90 degrees.
Step-by-step explanation:
Answer:
9
Step-by-step explanation:
Step 1: Simplify 1/3 into 2/6
Step 2: Do 3 2/6+ 1 1/6= 4 3/6
Step 3: 4 3/6 x 2= 9
Hope this helps!