Suppose that B1 and B2 are mutually exclusive and complementary events, such that P(B1 ) = .6
and P(B2 ) = .4. Consider another event A such that P(A B1 ) =.2 and P(A B2 ) = .5. Find P(B1
A).
A) .375 B) .800 C) .625 D) .240
Question 2
A standardized test has a mean score of 500 points with a standard deviation of 100 points. Five
students' scores are shown below.
Adam: 575 Beth: 690 Carlos: 750 Doug: 280 Ella: 440
Which of the students have scores within two standard deviations of the mean?
A) Adam, Beth B) Adam, Beth, Carlos, Ella
C) Carlos, Doug D) Adam, Beth, Ella
Summary of events in a typical humoral immune response.
Summary of events in the killing of virus-infected cells by cytotoxic T cells.
Sequence of events from DNA to protein.
Mechanical Events
Timeline of Major Events in Plants
Complementary base pairing of codons and anticodons