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mariatorres7
14.07.2020 •
Mathematics
Use the spinner to find the probability. If the spinner is spun twice, what is the theoretical probability that the arrow will not stop on a three or a four both times?
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Ответ:
0.2 ; 0.14
Step-by-step explanation:
Cynthia had a bag containing
Red tiles= 2
Green tiles= 3
Purple tiles= 4
Blue tiles= 6
Total tiles= 2+3+4+6= 15 tiles
Probability of drawing a green tile:
= Green tiles/Total tiles
= 3/15
= 0.2
Probability of drawing a red tile without replacement will be:
Red tiles/Total tiles
Total tiles will make be 15-1 = 14
= 2/14
= 0.14