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Refer to the above problem. Suppose you randomly survey 11 California residents. We are interested in the number who have adequate earthquake supplies.

a. In words, define the Random Variable X.

b. List the values that X may take on.

c. Give the distribution of X. X∼

d. What is the probability that at least 8 have adequate earthquake supplies?

e. Is it more likely that none or that all of the residents surveyed will have adequate earthquake supplies? Why?

f. How many residents do you expect will have adequate earthquake supplies?

 

 
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