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Math problem: Suppose a sample of exam scores is normally distributed with mean 78 and standard deviation 10. Find the exam score such that 40% of...

Math problem: Suppose a sample of exam scores is normally distributed with mean 78 and standard deviation 10.2. Find the exam score such that 40% of the exams scored less than this score. Round your answer to the nearest whole number.

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Find the exam score such that... View the full answer

2 comments
  • Thank you sooooo much! This class has been tough for me. I appreciate your help
    • meriviebrock
    • May 07, 2018 at 10:14am
  • Welcome.
    • Chicharitoh
    • May 07, 2018 at 10:15am

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Other Answers

mu= 78 sigma= 10.2 X= unknown probability= 0.4... View the full answer

2 comments
  • Thank you so much! I appreciate you solving this problem so quickly and helping me!
    • meriviebrock
    • May 07, 2018 at 10:14am
  • :) have a nice day , please rate it is helpful )
    • narvada
    • May 07, 2018 at 10:20am

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