An exam - normal distribution

Five thousand students take an exam with a mean of 59 and a deviation of 8. How many students will score less than 75?

Correct answer:

n2 =  4886

Step-by-step explanation:

n=5000 m=59 σ=8  n2=n N(m,σ,s<75) N=0.9772  n2=n N=5000 0.9772=4886

Did you find an error or inaccuracy? Feel free to write us. Thank you!

Tips for related online calculators
Looking for help with calculating arithmetic mean?
Looking for a statistical calculator?
Looking for a standard deviation calculator?
Would you like to compute the count of combinations?

You need to know the following knowledge to solve this word math problem:

We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: