Assume that population means are to be estimated from the samples described. use the sample results to approximate the margin of error and 95% confidence interval.
sample size equals=1,0511,051,
sample mean equals=$46,23946,239,
sample standard deviation equals=$28,00028,000
the margin of error is

c. 16 units

step-by-step explanation:

mark brainliest and have a great day!

do i do it on a graph?

step-by-step explanation:

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d

$30.32

step-by-step explanation:

65.00*.12=2.80

65.00-2.80=57.20

57.20*1.06=60.632

60.632/2=30.316