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A container holds 15 quarters and 9 dimes. Two coins are drawn one at a time.
a. Find the probability of getting 3 dimes, if the coins are drawn without replacement.
b. Find the probability of getting 3 quarters, if the coins are drawn with replacement.
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There is a container that holds 9 red marbles, 4 green, and 1 blue marble. If two selections are made, create a tree diagram to depict this, if the draws are made without replacement. (make the WHOLE tree with branches, leaves and all of their corresponding probabilities. Once you get done with the tree, answer these questions.
a) P(B_{1} and R_{2}) b) P(R_{1} G_{2})
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Given that the Battery Park Battery Company makes, you guessed it, batteries with a yield of 48%. This means that 48% are good and the rest are defective. (Sounds like the company is defective)
a. If one battery is selected, find the probability that it is defective.
b. If two batteries are randomly selected, find the probability that they are both good.
c. If three batteries are randomly selected, find the probability that at least one is good.
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For which of the following reactions is S° Science Assignment Help
For which of the following reactions is S° > 0.
2NH_{3}(g) + 3N_{2}O(g) 4N_{2}(g) + 3H_{2}O(g)
2SO_{2}(g) + O_{2}(g) 2SO_{3}(g)
2H_{2}O(g) + 2Cl_{2}(g) 4HCl(g) + O_{2}(g)
2NO(g) + 2H_{2}(g) N_{2}(g) + 2H_{2}O(l)
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Predict whether S for each reaction would be greater than zero, less than zero, Science Assignment Help


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Score A B C D F Total
010 
8 
11 
5 
18 
41 
83 
1120 
29 
45 
80 
26 
11 
191 
2130 
50 
62 
42 
20 
4 
178 
3140 
47 
62 
31 
6 
10 
156 
Column Totals 
134 
180 
158 
70 
66 
608 
a) What is the probability that a student will get a “B”?
b) What is the probability that a student will get an “A” given that a score of 2130 was achieved on the placement test?
c) probability that a student scored between 1120 and got a B in the course?
probability student got b/t 1120 knowing they got B in clas
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Amir’s coin collection consisted of 140 stamps in November. In June, his collection grew to 161 stamps. Find the percent increase between November and June.
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