20. find the domain of the function y = 57, tan(3/).
cs
o a. all real numbers except 0 and odd integer multiples of 21%
b. all real numbers except odd integer multiples of 47/
o c. all real numbers except odd integer multiples of 21%
o d. all real numbers except 0 and odd integer multiples of 47%

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Match the vocabulary to the proper definition. in probability, two events in which 1. conditional probability the outcome of one event is independent of the outcome of a second event. 2. dependent events in probability, two events in which the outcome of one event is dependent on the outcome of a second event. the probability of an event in which the outcome of the event is conditional on the outcome of one or more different events. 3. independent events

Aiko jumped rope for 20 min and stopped at 8: 05 when did she start