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## Statistics

1. If P(A) = 0.45, P(B) = 0.35, and P(A and B) = 0.25, then P(B | A) is:

A. 1.4                  B. 1.8                  C. 0.714                  D.0.556

In which of following binomial distributions is normal approximation appropriate?

a. n = 100, p = 0.04

b. n = 50, p = 0.09

c. n = 75, p = 0.06

d. n = 12, p = 0.45

3. Find out the following probabilities:

a. Events A and B are mutually exclusive events stated on common sample space. If P (A) = 0.3 and P(A or B) = 0.75, find out P(B).

b. Events A and B are stated on common sample space. If P(A) = 0.30, P(B) = 0.50, and P(A or B) = 0.72, find out P(A and B)

4. Categorize following as discrete or continuous random variables

a. The number of Nursing majors at South University

b. The time it obtain to complete this assignment

c. The blood pressures of all patients admitted to the hospital on certain day

d. The number of people who play state lottery each day

5. A small bag of Skittles candies has following assortment: red (12), blue (5), orange (15), brown (0), green (16), and yellow (7). Develop the probability distribution for x

Statistics and Probability, Statistics

• Category:- Statistics and Probability
• Reference No.:- M921330

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