The mean life of a tire is 30.000 km. The standard deviation is 2000 km.
Then, 68% of all tires will have a life between
km

Find the gradient of f(x,y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

Which of the following is an example of conditional probability