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Mathematics 21 Online
OpenStudy (anonymous):

A spinner and 4 cards are shown below: A spinner with 5 equal sectors is shown in the figure. The colors Green, Blue, Purple, Yellow, and Red are marked on it. The arrow points at the purple color. Four cards are shown on the right side. The colors Red, Yellow, Blue, and Pink are marked on them. Jane spins the spinner and selects a card without looking. What is the probability that the spinner stops at purple and a pink card is selected? 1 over 20 1 over 5 1 over 4 9 over 20

OpenStudy (anonymous):

@igreen

OpenStudy (anonymous):

@dr0zier99

OpenStudy (misty1212):

HI!!

OpenStudy (misty1212):

cookie error (mmm cookies)

OpenStudy (anonymous):

hello will you please help me?

OpenStudy (misty1212):

love to but link does not work post a screenshot

OpenStudy (misty1212):

oooh bet it is from FLVS right?

OpenStudy (anonymous):

ok one second

OpenStudy (anonymous):

yes it is from FLVS

OpenStudy (anonymous):

I think I might know the answer but honestly this is just multiplication and addition

OpenStudy (anonymous):

OpenStudy (dr0zier99):

i know the answer

OpenStudy (anonymous):

help

OpenStudy (misty1212):

ooh ooh me too pick me!

OpenStudy (anonymous):

tell me pls

OpenStudy (misty1212):

just kidding

OpenStudy (anonymous):

tell me @dr0zier99

OpenStudy (misty1212):

probability of the first one being purple is \(\frac{1}{5}\) since there are 5 evenly placed sections on the spinner

OpenStudy (dr0zier99):

yes go on

OpenStudy (misty1212):

probability a pink card is \(\frac{1}{4}\) since there are 4 cards and one is pink

OpenStudy (anonymous):

ok

OpenStudy (misty1212):

to find the probability you get both , multiply

OpenStudy (anonymous):

is it 1/20?

OpenStudy (misty1212):

\[\frac{1}{5}\times \frac{1}{4}\]

OpenStudy (misty1212):

yes

OpenStudy (anonymous):

:) @@

OpenStudy (welshfella):

these 2 events are independent of each other so the probabilities are multiplied

OpenStudy (misty1212):

we are assuming that the outcomes of each selection are "independent" so you can just multiply the probabilities together

OpenStudy (anonymous):

help on another question?

OpenStudy (misty1212):

sure !!

OpenStudy (anonymous):

imma close this one and open another ok?

OpenStudy (misty1212):

you have lots of attention for this question, bet you get a lot of answers

OpenStudy (anonymous):

get ready

OpenStudy (misty1212):

all set!

OpenStudy (mathstudent55):

The spinner has 5 possible outcomes: Green, Blue, Purple, Yellow, and Red The cards have 4 possible outcomes: Red, Yellow, Blue, and Pink p(spinner purple) = 1/5 p(pink card) = 1/4 p(spinner purple and pink card) = p(spinner purple) * p(pink card) = 1/5 * 1/4 = 1/20

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