The median number of business trips for 6 employees in a certain quarter is 10. The range of the number of business trips for employess the quarter is 9.

Two lines parallel to the same plane are parallel to eachother

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if