Acertain tennis player makes a successful first serve 6969% of the time. suppose the tennis player serves 9090 times in a match. a) what's the mean and standard deviation of the number of good first serves expected? b) determine if you can use a normal model to approximate the distribution of the number of good first serves. c) what's the probability she makes at least 7272 first serves?

Suppose you are going to graph the data in the table. minutes temperature (°c) 0 -2 1 1 2 3 3 4 4 5 5 -4 6 2 7 -3 what data should be represented on each axis, and what should the axis increments be? x-axis: minutes in increments of 1; y-axis: temperature in increments of 5 x-axis: temperature in increments of 5; y-axis: minutes in increments of 1 x-axis: minutes in increments of 1; y-axis: temperature in increments of 1 x-axis: temperature in increments of 1; y-axis: minutes in increments of 5

What is the sum of these mixed numbers 4 2/3+ 3 1/9

Ablue whale traveled 3112 miles in 214hours. what was the whale's rate in yards per hour? (1 mile = 1,760 yards)