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Mathematics 9 Online
OpenStudy (anonymous):

a die is tossed. it is a fair, unbiased die. list the outcomes for each event below and the probability of the event. 1) a number less than or equal to 4 appears 2)an odd number is tossed. 3)a number greater than 4 appears

OpenStudy (jfraser):

probability:\[P = \frac{\# \space of \space DESIRED \space outcomes}{\# \space of \space TOTAL \space outcomes}\]

OpenStudy (anonymous):

@JFraser care to explain a little more?

OpenStudy (anonymous):

@.Sam. wll you help?

OpenStudy (jfraser):

if the die has 6 sides, and there's a different number on each side, what are the chances that a random roll of the die gets you a number less than 4? What are the POSSIBLE results? what are the DESIRED results?

OpenStudy (jfraser):

examine each problem one at a time

OpenStudy (anonymous):

desired is <= 4 and there are 6 possibilities and yes please can we examine one at a time

OpenStudy (jfraser):

the TOTAL number of possible results from a single throw are: 1, 2, 3, 4, 5, or 6. SIX total possible outcomes (results) the DESIRED outcomes are 4, 5, or 6. there are THREE desired outcomes. The PROBABILITY of a desired outcome is 3/6

OpenStudy (anonymous):

its less than or = to four so itd be 1,2,3 or 4 so 4/6 right

OpenStudy (jfraser):

sorry, you are correct for the first one, <=4 makes it 4/6 desired outcomes.

OpenStudy (jfraser):

do the same thing with the other 2 problems. find the total number of outcomes, and the number of desired outcomes

OpenStudy (anonymous):

there are three odd numbers so 3/6? for #2

OpenStudy (jfraser):

yep

OpenStudy (anonymous):

and 3/6 for #3

OpenStudy (jfraser):

#3 is a number GREATER than 4, but not including 4. so try again

OpenStudy (anonymous):

2/6

OpenStudy (jfraser):

yep

OpenStudy (anonymous):

okay can you help with the next set ill post them in a few?

OpenStudy (jfraser):

i'd bet you can use the same approach for all of these probability problems. try them first and show me your answers, then i'll see if i can help

OpenStudy (anonymous):

theres a problem with that

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