OldLISTICS Part
A survey asked 10 boys and 10 girls how many hours they spent
playing video games the previous week. The number of hours
are given in the line plots.
X
x
X
x X X X X
X
10 12 14 16 18 20
Boys
2
4
6
8
Select from the drop-down menus to complete each statement
XX
xxx
6 8
х
х
10 12
Girls
14 16
18 20
The data set with the greater range is
Choose
The median
Choose

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?