Suppose that an experimenter offers you two choices: (A) two coin flips, both with a fair coin and(B) two coin flips, one with probability 1/4 of heads and the other probability 3/4 of heads (bothindependent). You will be given $1 for each Head. LetXdenote the total winnings from yourexperiment.(a) What kind of random variable is (A)

Which statement about the graph of y = 8(0.25)^2

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.