Answer:
keep looking its in there all you need to do is look
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
Answer:
286
Step-by-step explanation:
(4 * 13) / 2 = 26
26 * 11 = 286
Based on the calculations that 300 is 40%, 375 is considered 50% or halfway.. in this case, we must multiply 375 by 2 and we will discover how many students were surveyed:
375 x 2 = 750