Find the conditional probability.Suppose one card is selected at random from an ordinary deck of 52 playing cards. LetA = event a diamond is selectedB = event a club is selected.Determine P (A | ( not B)).
A. 0
B. 1
C.
D.
Answer: D
Mathematics
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Solve the given trigonometric equation analytically (using identities when necessary for exact values when possible) for values of x for 0 ? x < 2?.sec2 x - 2 = tan2 x
A.
B.
C. No solution
D.
Mathematics
Find a formula for the nth term of the sequence.1, - ,
, -
,
(reciprocals of squares with alternating signs)
A. an =
B. an =
C. an =
D. an =
Mathematics
Use the addition rule to solve the problem.If P(A) = 0.4, P(B) = 0.7, and P(A ? B) = 0.3, then what is P(A ? B)?
A. 0.8 B. 1.1 C. 1.4 D. 0.5
Mathematics
Solve the problem.Pennies are packaged 50 in a roll. A mother broke open some rolls of pennies. She gave her son and she had 21 pennies left over. How many rolls of pennies did she break open?
A. 7 rolls B. 6 rolls C. 4 rolls D. 5 rolls
Mathematics