An experiment with three outcomes has been repeated 50 times, and it was learned that E 1 E1 occurred 20 times, E 2 E2 occurred 13 times, and E 3 E3 occurred 17 times. Assign probabilities to the outcomes. What method did you use

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

which of the following sets of data would produce the largest value for an independent-measures t statistic? the two sample means are 10 and 20 with variances of 20 and 25 the two sample means are 10 and 20 with variances of 120 and 125 the two sample means are 10 and 12 with sample variances of 20 and 25 the two sample means are 10 and 12 with variances of 120 and 125

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?