(1 point) let the random variable xx be the number of rooms in a randomly chosen owner-occupied housing unit in a certain city. the distribution for the units is given below. xx 3 4 5 6 7 8 9 10 p(x)p(x) 0.10.1 0.210.21 0.370.37 0.190.19 0.050.05 0.040.04 0.030.03 ?

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?

Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent