Answer:
B
Step-by-step explanation:
(20)/(6)-(5)/(2)
Hope this helps!!!
Step-by-step explanation:
consider k the numbe of correct answers
P(k) = kC8×(0,2)^k×(0,8)^(8-k)
example:
The probability of having 2 correct answers = 2C8×(0,2)^2×(0,8)^(6) = 0.294
the probability that the number x or correct answer is fewer than 4 =
p(0) + p(1) + p(2) + p(3) = 0.944
The answer $456 because I guessed
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12 is 30% of the number 40.