Ajar contained 6 red marbles, 10 green marbles, and 8 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 60 trials.

what was the relative frequency of selecting a red marble?

enter your answer in the box to the nearest percent.

%

outcome number of times outcome occurred
red 13
green 30
blue 17

How to use order of operation in 20 divide by 4 multiply 5 = 1

Asix-sided number cube is rolled twice. what is the probability that the first roll is an even numbe and the second roll is a number greater than 4?

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.