Answer:
5.5 or 5 1/2
Step-by-step explanation:
44 students ÷ 8 rows = 5.5
29/36 =0.805555556 = 81% if you need to round up
Answer:
Step-by-step explanation:
A=1/2(r+2)
2A=f(r+2)
2A/f=r+2
2A/f-2=r
Answer:
Step-by-step explanation:
Given
Jar contains 4 white and 4 black marbles
We randomly select 4 marbles out of which 2 are white and 2 are black
Probability that 2 white and 2 black marbles are selected is


The process is continue for n trails until we choose the correct order
i.e. we have to fail in n-1 trails
For exact n selection Probability is given by


the answer is 34.83 I believe