Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Three coins are tossed, and the number of heads is noted.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Evaluate the improper integral.
A. 
(1 - ln 2)
B. 
(1 - ln 2)
C. 
(1 - ln 2)
D. 
(1 - ln 2)
Mathematics
Use this graph to answer the question.
MonthWhat was the total increase in sales from 2009 to 2010?
A. $12,000 B. $22,000 C. $1,342,000 D. $182,000
Mathematics
Evaluate the expression.3-1 + 5-1
A. - 
B. 2
C. 
D. 
Mathematics
Give the probability distribution and sketch the histogram.Five rats are inoculated against a disease. After an incubation period, the number contracting the disease is noted. The experiment is repeated 20 times, with the results shown in the table.
A. 
| Probability: | .15 | .05 | .15 | .30 | .25 | .10 |
B.
| Probability: | .10 | .20 | .35 | .15 | .05 | .15 |
C.
| Probability: | .10 | .25 | .30 | .15 | .05 | .15 |
D.
| Probability: | .15 | .05 | .15 | .35 | .20 | .10 |
Mathematics