Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.
Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(F|E).
A. 0.818
B. 0.340
C. 0.720
D. 0.107
Answer: D
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Solve the problem.A new firm loses $3600 in its first month, but its profit increases by $700 in each succeeding month. What is its profit in the 8th month?
A. $1300 B. $8500 C. $2000 D. $9200
Solve the problem.Alla doesn't trust banks, so her savings are hidden under her mattress. Betsy has her savings in an investment at simple interest. In approximately what year did they have the same amount?
A. 1988 B. 1996 C. 1986 D. 1989
Find the dimensions of the null space and the column space of the given matrix.A = 
A. dim Nul A = 4, dim Col A = 1 B. dim Nul A = 2, dim Col A = 3 C. dim Nul A = 3, dim Col A = 3 D. dim Nul A = 3, dim Col A = 2
Perform the indicated operation. Write the result in the form a + bi.(3 - 2i)(3 - 5i)
A. -1 + 21i B. -9 + 19i C. 19 + 9i D. -1 - 21i