If a normally distributed group of test scores have a mean of 70 and a standard deviation of 12 find the percentage of scores that will fall below 50?

1 answer

Answer

1179048

2026-04-20 05:20

+ Follow

X = 50 => Z = (50 - 70)/12 = -20/12 = -1.33

So prob(X < 50) = Prob(Z < -1.33...) = 0.091

ReportLike（0）ShareFavorite

Related Questions

Topics to Explore

InstagramTumblrSkypePhotoshopPowerPointPostgreSQLMySQLJavaScriptJavaLinuxStarlinkSpaceXDELLYahoogoogleAndroidExcelMicrosoftWordTikTokAppleiOSiphoneipadWindowsYouTubeAmazon

A-Z Search

ABCDEFGHIJKLMNOPQRSTUVWXYZ0-9

About Us|Disclaimer|Copyright Notice|Infringement Report|Privacy Policy|Contact Us

Copyright © 2026 eLLeNow.com All Rights Reserved.