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Question
Difficulty Level:

Easy

MCQ

Bryan records the number of hours he sleeps each night for several days and whether it is raining in the morning when he wakes up. Bryan concludes that these two events are independent:

  • Bryan sleeps 8 or more hours.

  • It is raining in the morning.

Based on Bryan’s conclusion, which statement must be true?

Select all that apply :

The probability that Bryan sleeps 8 or more hours is the same whether or not it is raining in the morning.

Bryan never sleeps 8 or more hours on days that it is not raining in the morning.

The probability that Bryan sleeps 8 or more hours is influenced by whether or not it is raining in the morning.

The probability that Bryan sleeps 8 or more hours is the same as the probability that it is raining in the morning.

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