A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 one year ago
The scores received by students completing a geology exam are normally distributed. If the average score is 122 and the standard deviation is 35, what percentage of students scored between 52 and 122?
anonymous
 one year ago
The scores received by students completing a geology exam are normally distributed. If the average score is 122 and the standard deviation is 35, what percentage of students scored between 52 and 122?

This Question is Closed

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0well you would have to find out the other scores

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0what you see there is all that is given

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0these are the choices A: 34.0% B: 37.5% C: 42.0% D: 47.5% E: 48.0%

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.0convert 52 and 122 to their respective zscores using the formula zscore = (given numbermean)/standard deviation

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.0then, use a graphing calculator function normalcdf(zscore1,zscore2) or use a ztable to find the corresponding percentages

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I would prbab;y go d just sayin

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Okay, thanks @Vocaloid

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0are u using computer because if so it has a graphing calc on it

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.0@raymccloud: if you need to check your answer, you can use this online calculator https://www.easycalculation.com/statistics/normaldistribution.php

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0or that but it would be quicker to do the that is automatically on yo computer

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0hey ray I think I figured my problem out but can u check jus to be sure

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0alright zach but give me a sec while I finish up my problem.
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.