A population has a mean muequals151 and a standard deviation sigmaequals28. Find the mean and standard deviation of the sampling distribution of sample means with sample size nequals56. The mean is mu Subscript x overbarequals nothing, and the standard deviation is sigma Subscript x overbarequals nothing.

Ray ce is the angle bisector of zacd, which statement about the figure must be true? mzecd-mzecb mzace « 4mzacd zace - zdcb zecd zacd save and exit

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain