sdragon sdragon

23-10-2019
Mathematics

contestada

What is the probability of getting 60% or better on a true false exam with 50 questions

Respuesta :

danran4secretaryusa danran4secretaryusa

23-10-2019

Answer:

41.1764...%

Step-by-step explanation:

60% on 50 questions is 30/50 correct since 30÷50=.6=60%

Between 30 and 50(inclusive) there are 21 numbers.(30,31,32...49,50).

There are 51 possibilities of scores,1-50/50 or 0/50

21/51=0.411764...

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