kerwin3296 kerwin3296

14-09-2022
Mathematics

contestada

Suppose scores on an entry exam are normally distributed. The exam has a mean score of 140 and a standard deviation of 20 . What is the probability that a person who took the test scored between 120 and 160 ?
A. 14 %
B. 40%
C. 68%
D. 95%

Respuesta :

Otras preguntas

A chemical company mixes pure water with their premium antifreeze solution to create an inexpensive antifreeze mixture. the premium antifreeze solution contains

40 POINTS PLEASE HELP ASAP

Filomena applies the commutative property to the product. ( 7/15 ) x ( −11 ) x ( 30 ) Which expression illustrates the commutative property applied to the produ

Simplify negative 1 and 2 over 3 minus 9 and 2 over 5.

Who helped establish Plymouth Colony and was one of the authors of the Mayflower Compact?

Express, in terms of a and b, log 3 and b = log 5. log, 15 if a = log 3 and b

Confound the hour he entered my shop! I am a revolutionary but not a murderer. And it would be so easy to kill him. He deserves it. Or does he? No! No one deser

is the secretary of state elected or appointed

what is the aim of natural science

I think the war is Between Russia and United States