In a normal distribution with a mean of 90 and a standard ...

[cabate]

In a normal distribution with a mean of 90 and a standard deviation of 10, what percentage of scores fall between 80 and 110?
 
  a. 13.5
  b. 34
  c. 68
  d. 81.5

Question 2

In a normal distribution with a mean of 50 and a standard deviation of 5, what percentage of scores fall between 45 and 55?
 
  a. 13.5
  b. 34
  c. 68
  d. 95

[shewald78]

Answer to Question 1

d

Answer to Question 2

c

[cabate]

Great answer, keep it coming

[scikid]

Thanks for the timely response, appreciate it