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Probability 22 Online
OpenStudy (tishockjo):

You spin the spinner below once. What is the probability that the arrow will land on 3? link to Picture-->http://lv.k12.com/mediaFiles/Ninth_Grade/Math/Unit18066/Lesson69950/VHS_PA_S2_06_L205_L305_LQ_Q1.gif A.1/8 B.1/4 C.3/8 D.8

OpenStudy (tishockjo):

I think C.3/8

OpenStudy (anonymous):

proportion of the area

jimthompson5910 (jim_thompson5910):

Probability of landing on 3 = (# of spaces that are labelled '3')/(# of spaces total)

OpenStudy (anonymous):

how much of the circle has a 3?

OpenStudy (anonymous):

The answer is A, 1/8. Since there are a total of 8 possibilities,and the number 3, being one of the 8 possibilities.

OpenStudy (mathstudent55):

probability(event) = (number of desired outcomes)/(total number of possible outcomes) number of desired outcomes --------> How many spaces have a 3? total number of possible outcomes ---> How many spaces are there? Divide the number of spaces with 3 by the total number of spaces

OpenStudy (anonymous):

hmmmm

OpenStudy (anonymous):

it is not the number of spaces for a problem like this, it is an area problem

OpenStudy (mathstudent55):

In math problems with figures, we are not allowed to conclude any dimensions from the figures unless we are specifically told to do so. This is simply a common type of spinner with 8 different numbers, and we assume an equal probability of landing on any of them.

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