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Neporo4naja [7]
3 years ago
13

Bla bla bla i love brainly cool free

SAT
2 answers:
gizmo_the_mogwai [7]3 years ago
5 0
I love Brainly too it’s so helpful
CaHeK987 [17]3 years ago
4 0

Answer:

ty

Explanation:

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Suppose that a surface impoundment site for hazardous waste is planned for your
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The professor informs the class that there will be a test next week. what is the probability that a randomly selected student st
marusya05 [52]

The probability that students who were randomly selected studied for the test, if they pass it with a B or higher grade is: D. 0.80.

<h3>How to calculate the probability?</h3>

In this exercise, you're required to determine the probability that students who were randomly selected studied for the test, if they pass it with a B or higher grade. Thus, we would apply Bayes's theorem.

  • Let S represent studied for.
  • Let B represent a score of B or higher grade

Therefore, we need to find P(S|B):

S|B = \frac{B|S \times S}{B|S \times S\; +\; B|S' \times S'} \\\\S|B = \frac{0.55 \times 0.6}{0.55 \times 0.6 \;+ \;0.2 \times 0.4}\\\\S|B =\frac{0.33}{0.33 + 0.08} \\\\S|B =\frac{0.33}{0.41}

S|B = 0.80.

Read more on probability here: brainly.com/question/25870256

#SPJ1

<u>Complete Question:</u>

At the beginning of the semester, a professor tells students that if they study for the tests, then there is a 55% chance they will get a B or higher on the tests. If they do not study, there is a 20% chance that they will get a B or higher on the tests. The professor knows from prior surveys that 60% of students study for the tests. The probabilities are displayed in the tree diagram.

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2 years ago
Who can join my classroom the code is k4qkew5<br> i can brainlest
Black_prince [1.1K]

Answer:

sure on remind?

Explanation:

8 0
3 years ago
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