A multiplie choice test contains 10 questions .Each question has five choice for correct answer .only one of choice is correct.
a)What is the probabilty of making 80%with random guessing ?
b)what is the probabilty of passing e:g making keast 60%wih random guessing ?
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Answer:
4/25
Step-by-step explanation:
probability of 80% correct × probability of one correcy= 4/5×1/5
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