Ask a New Question

Question

The class average on the quarterly exam was65% with a standard deviation of 7%. Is the probability that a student got 70% or higher 24%
7 years ago

Answers

Reiny
Here is your stats calculator.
http://davidmlane.com/normal.html

enter 65 for mean
enter 7 for SD
click on "above" and enter 70

you should see .2375

So what do you think?
7 years ago

Related Questions

The class average on a math quiz was 74 and the standard deviation was 6.8. Find the z-score for a... I have class average of 85.74. i got 63 in final which 15 of the class . what will be my my overal... The average wage of a class of 21 boys is 14year 3month.if the oldest boy is not counted in,the aver... The average age of a class of 21 boys is 14year 3month.if the oldest boy is not counted in.the avera... If class A's average for the test was 60%, it means that nobody in class A failed. How can I calcula... if the class average is 89 and three more students make an 100 what will be the new class average... The average mass of class is 52.5 if the average mass of the boy only in class is 50kg and that of g... The average age of a class of 20 pupils is 11years.if each of the 5 oldest pupils in the class is 14... A decade ago, the average class size at Hillsboro Middle School was 20 students. Now it is 23 studen... In science class, the average score on a lab report is 82 points, with scores varying by 3.2 points...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use