a survey is run to find average salary of employees working in restaurants in abc town. a random sample of 100 employees shows that their average salary is rp 100.000,- with standard deviation of rp 20.000,-. using 98% confidence level, state the standard error of the survey.

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).

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?

On this question. a hypothermia occurs when a person's body temperature drops below 95 degrees fahrenheit. write and solve an inequality that describes how much lower the body temperature of a person with hypothermia will be than the body temperature of a person with a normal temperature of 98.6 degrees fahrenheit