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Author Question: The median score for the final exam in a chemistry class was 75 and 18 of the students received a ... (Read 97 times)

ARLKQ

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on: Jun 24, 2018
The median score for the final exam in a chemistry class was 75 and 18 of the students received a grade greater than 80.
 
  If the test scores were normally distributed, what is the probability that a randomly selected exam had a score between 75 and 80?A) 68
  B) 32
  C) 80
  D) 50

Question 2

Initial estimates of the probabilities of events are known as:
 
  A) joint probabilities.
  B) posterior probabilities.
  C) prior probabilities.
  D) conditional probabilities.


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deja

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Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

C


ARLKQ

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Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

Joy Chen

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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