Respuesta :
Answer: 5 questions
Step-by-step explanation:
If there are four options and only one is correct. I.e option a, b ,c and d
Let us first calculate the probability of answering on one question.
The probability of getting one question correctly will be
1 /4
Number of questions she will get correctly among the 20 questions will be
1/4 × 20 = 5 questions
Answer:
Close to 5 questions but probably not exactly 5 questions.
Step-by-step explanation:
i just got that answer right