1. the table shows the results of rolling a number cube, with sides labeled 1 through 6, several times.
what is the experimental probability of rolling a 2 or a 4?
enter your answer as a fraction in simplest form, in the box.
outcome number of times outcome occurred
1 10
2 6
3 4
4 8
5 6
6 6
2.a spinner has three sections. the table shows the results of spinning the arrow on the spinner 80 times.
what is the experimental probability of the arrow stopping over section 2?
section 1 section 2 section 3
20 36 24
a. 1/36
b. 1/18
c. 9/0
d. 9/11
3.a card was selected at random from a standard deck of cards. the suit of the card was recorded, and then the card was put back in the deck. the table shows the results after 40 trials.
what is the relative frequency of selecting a diamond?
outcome club diamond heart spade
number of trials 8 12 11 9
a.23%
b.25%
c.30%
d.42%
4. a jar contained 12 red marbles, 16 green marbles, and 10 blue marbles. a marble was selected at random, the color was recorded, and the marble was placed back in the jar. the table shows the results after 80 trials.
what was the relative frequency of selecting a green marble?
enter your answer in the box to the nearest percent
outcome number of times outcome occurred
red 28
green 30
blue 22
5. a spinner has five sections, labeled a, b, c, d, and e. the spinner is spun 45 times, and the results are recorded in the table.
what is the experimental probability of the spinner’s landing on c?
round to the nearest percent, if necessary.
outcome number of times outcome occurred
a 6
b 10
c 8
d 12
e 9
a.8%
b.18%
c.20%
d.24%
only answer if you know most or all of the answers, (: