У Which exponential function is represented by the graph?
9
8
7
-6
5-
O MX) = 21"
O fx) = {(2)
O fx)=)
f(x) = 2(2)
4
3
.
(1.17
---
0.25)
010.51
3 2 1
2
X

What could explain what happened when the time was equal to 120 minutes

In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?

The quotient of 15 and a number is 1 over 3 written as an equation