PLS HELP, DO VERY SOON A manager learns that a go-kart manufacture offers 3 different tracks. ALl tracks are rectangular. Scale drawings of the track are shown below.

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.