The faces of a 12-sided die are numbered 1 to 12. What is the probability of rolling 9 at least twice in 10 tries? (grade 12 data management)
i'm in the middle of this math test and i'm not even on this unit

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]