A researcher wants to estimate the mean grade point average of all current college students in the United States she has developed a procedure to standardized scores from colleges using something other than scale between zero and four how many grade point averages must be obtained so that the sample mean is point one of the population mean assume that a 90% confidence level is desired also assume that a pilot study shows the population standard deviation is .88

Which measurement is the most precise? a) 29 cm b) 28.8 cm eliminate c) 28.76 cm d) 28.762 cm

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).

Which graph represents the function g(x) = |x + 4| + 2?