20) You are playing a game in which a single die is rolled. If an odd number
comes up, you win the number of dollars showing in the die. If an even
number comes up, you lose the number of dollars showing on the die.
Assume there is no cost to play the game, what is the expected value?

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants. assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1