3. section 8.1 distribution of the sample mean explain it:
a) explain what a sampling distribution is.
b) state the central limit theorem.
c) without doing any computation, decide which has a higher probability, assuming each sample is from a population that is normally distributed with: μ

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys