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Burka [1]
3 years ago
9

Sarah is playing a game in which she rolls a number cube 20 times. The results are recorded in the chart below. What is the expe

rimental probability of rolling a 1 or a 3?
Number on cube:1,2,3,4,5,6
Number of times event occurs:3,6,1,5,3,2
A.0.2
B.0.3
C.0.6
D.0.83
Mathematics
1 answer:
elena55 [62]3 years ago
4 0
Sarah rolled a one 3 times and rolled a three 1 time in a total of 20 rolls. She rolled one or three 4 times out of 20. Therefore,

\frac{4}{20} = 0.2

The answer is A.
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2.8 meters linen divided into 45 cm pieces = # of pieces and waste
pogonyaev
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To solve this, we can create a simple algebraic equation:
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