POSSIBL Elaine's and Aaron's daily expenses for a recent business trip are shown.
Elaine: $45, $12, $32, $62, $29
Aaron: $26, $91, $36, $57, $61
Which shows the correct mean of the data sets?
Elaine: $50
O
Aaron: $40
Elaine: $40
Aaron: $50
Elaine: $36
O
Aaron: $54 20
Elaine: $18
Aaron: $27.10

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

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 scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?