The quantitative data set under consideration has roughly a​ bell-shaped distribution. Apply the empirical rule to answer the following question. The data set has size 30. Approximately how many observations lie within 2 standard deviations to either side of the​ mean?

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?

The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %