Solve the problem.In a certain country, the infant mortality rate is 6.7 per 1000 live births. Assuming that this is the expected value for a Poisson distribution, find the probability that in a random sample of 1000 live births, there were fewer than 5 cases of infant mortality.
A. 0.242591
B. 0.173279
C. 0.161727
D. 0.202159
Answer: D
Mathematics
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A. 8% B. 128% C. 24% D. 16%
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Solve the problem.How many four-digit sequences can be formed allowing no repetition of digits?
What will be an ideal response?
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The point P on the unit circle that corresponds to a real number t is given. Find the indicated trigonometric function.
?Find csc t.
A. 
B. 
C. - 
D. - 
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