Answer:
Step-by-step explanation:
Given that a box contains 12 chocolates, 3 of which are white chocolate, 4 milk chocolate, and 5 dark chocolate.
a) the chance that I draw a dark chocolate
b) Given that none of my friends draws a dark chocolate, the chance that I draw a dark chocolate is
since now all 5 dark chocolates would be there and total changed to 9 because 3 friends took 1 each.
c) All four drawn milk chocolates would be

d) the chance that the friend who gets to select first draws a dark chocolate and I draw a dark chocolate too
=P(first friend draws a dark chocolate) * P(I draw a dark chocolate)
When it comes to me chances are either there are 4 dark, or 3 dark, or 1 dark depending upon the other two friends drew black or not
= 
Answer:
Sue = 25.75
Dave = 29.5
Tom = 19.75
Sue = s
Tom = t
Dave = d
Step-by-step explanation:
s+t+d = 75
s-6=t
d +16 = s+t
d+16+d= 75
2d = 59
d = 29.5
t = s-6
t+s = 45.5
s-6+s= 45.5
2s = 51.5
s= 25.75
t= 19.75
Answer: a) 15:26, and b) 15:11.
Step-by-step explanation:
Since we have given that
Number of graded tests = 15
Number of total tests = 26
Number of ungraded tests is given by

a) Proportion of all exams has Dr. Fitxgerald graded is given by
15:26.
b) Ratio of graded to ungraded tests is given by 15:11
Hence, a) 15:26, and b) 15:11.