A fair six-sided die, with sides numbered 1 through 6, will be rolled a total of 15 times. Let x1¯¯¯¯¯ represent the average of the first ten rolls, and let x2¯¯¯¯¯ represent the average of the remaining five rolls. What is the mean μ(x1¯¯¯¯¯¯−x2¯¯¯¯¯¯) of the sampling distribution of the difference in sample means x1¯¯¯¯¯−x2¯¯¯¯¯?.

Which of the following always exist between two objects having mass ● elastic force ● contact force ●gravitational force ●magnetic force

Simba travel agency arranges trips for climbing mount kilimanjaro. for each trip, they charge an initial fee of \$100$100 in addition to a constant fee for each vertical meter climbed. for instance, the price for climbing to the shira volcanic cone, which is 30003000 meters above the base of the mountain, is \$400$400. let f(d)f(d) denote the fee of a trip ff (measured in dollars) as a function of the vertical distance climbed dd (measured in meters). write the function's formula. f(d)=

The main reason that you should secure loose objects in your car before you drive is that a. objects too close to the engine may be affected by the heat b. they are likely to get damaged moving around your car c. they may be thrown into a spot that disrupts your driving d. they will be more easily retrieved from a single storage location