# webassign hassignment

(b) Find

*P*(3 on 1st card

*and*10 on 2nd). (Enter your answer as a fraction.)

4/663

4/663

(c) Find

*P*(10 on 1st card

*and*3 on 2nd). (Enter your answer as a fraction.)

4/663

4/663

(d) Find the probability of drawing a 10

*and*a 3 in either order. (Enter your answer as a fraction.)

8/663

8/663

(b) How many sequences contain exactly two heads?

(b) age of a college professor chosen at random

(c) number of books in the college bookstore

(d) weight of a football player chosen at random

(e) number of lightning strikes in Rocky Mountain National Park on a given day

(c) Interpret your results in the context of this problem.

(d) Find the sample size necessary for a 99% confidence level with maximal margin of error

*E*= 3.00 for the mean plasma volume in male firefighters. (Round up to the nearest whole number.)

(d) Suppose the annual profits are 38000 per employee. How would you interpret this result by referring to the confidence interval you computed in part (b)?

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