Answer:
C
Step-by-step explanation:
Mux= np
sigmax= 
Mean = 50(.65)
Standard Deviation = 
Answer: b
Step-by-step explanation:
I took the test and got it right
good luck!
It could be 30 to 31 but February has 28 expected from a leap year with 29 days
(3x + 1) (2x + 7)
Factored by grouping