LadyJustice85

1. The sociologist surveyed the households in a small town. The random variable X represents the number of dependent children in the households. The following is the probability distribution of X: X 0 1 2 3 4 P(X) 0.07 0.20 0.38 k 0.13 (a) Find the missin...

Suppose it is known that a new treatment is successful the cases. If it is tried on 15 patients, find the probability [Use binomial distribution]. (a) at most 6 will be cured (b) twelve or more will be cured (c) at least two will be cured.

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30. C 31. A 32. D 33. C 35. C 36. A 37. B =-)

39. B 41. B 42. B =-)

Anyone know how to do this???