A sA sample of 51 observations will be taken from an infinite population.The population proportion equals 0.85.The probability that the sample proportion will be between 0.8327 and 0.8631 is

A) 0.9998.
B) 0.0002.
C) 0.2387.
D) 0.7613.

Solve: 3y - 4 = 3(y + 6) - 2(y + 3)

Use the Zero-Factor Property to solve the equation below. $28(a+5)(a-7)=0$

A) $5,-7$
B) $-5,7$
C) $28,7$
D) $28,-5$
E) $5,7$

A standard deck of cards has 52 cards.The cards have one of two colors: 26 cards in the deck are red and 26 are black.The cards have one of four denominations: 13 cards are hearts (red) ,13 cards are diamonds (red) ,13 cards are clubs (black) ,and 13 cards are spades (black) .Two cards are selected at random.Event C is defined as the event that the first card is clubs,event R as the event that the first card is red,and event B as the event that the second card is black.Which events are disjoint?

A) R and B only
B) R and C only
C) R and B and R and C,but not B and C
D) None of the events are disjoint.