Answer:
here were 328 parts per million of carbon dioxide in the atmosphere in 1959.
there are 414 parts per million of carbon dioxide in the atmosphere in 2017.
the increase is 414 - 328 = 86 parts per million.
the ratio of the increase to the amount in 1959 is 86 / 328 = .262.
the percent increase is 100 times that and is equal to 26.2%.
Step-by-step explanation:
Answer:
120
Step-by-step explanation:
Blue marbles = 2
Red marbles = 3
Total marbles = 2 + 3 = 5
If a marble is drawn 300 times ;prediction for the number of times a blue marble will be drawn :
P(drawing a blue marble) = number of blue marbles / total number of marbles
= 2 /5 = 0.4
Predicted number of times blue is drawn in 300 selections :
300 * 0.4 = 120
Approximately 120 times
Statement A is the false one.
She should use the spinning wheel because its a 2/12 chance, with a wheel its a 1/6 chance.
Answer:
52 doses
Step-by-step explanation:
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