Answer:
the second one
Step-by-step explanation:
Answer:
B.25%; 70%; 5%
Step-by-step explanation:
Other options have % very close to eachother, pie chart may not reflect the difference
Answer:
50,66.7,80
Step-by-step explanation:
100/2= 50
200/3=66.7
400/5=80
Answer: a) 0.07910, b) 0.000976, c) 0.7626
Step-by-step explanation:
Since we have given that
Number of questions = 5
Number of choices = 4
P(getting correct) = 
a) the first question she gets right is the 5th question?
P(getting 4 wrongs answers and one right answer) is given by

b) she gets all of the questions right?
P(all right )= 
c) she gets at least one question right?
1-P(All of them wrong)

Hence, a) 0.07910, b) 0.000976, c) 0.7626