6. A recent Gallop poll showed Trump's approval rating 40% with a margin or error of 3%. a) Find the confidence interval,
c) Does the confidence interval support that more than 50% of Americans approve of
Trump? Why or why not?

Explained below.

Step-by-step explanation:

The (1 - α)% confidence interval for the population proportion is:

Given:

(a)

Compute the confidence interval as follows:

(b)

Since the confidence interval consists of values less than 50%, it implies that there is not enough evidence to suggest that more than 50% of Americans approve of Trump.

the answer is 4.8 units on e2020.

you can first factor out the n to get n(1+5). we know that 1+5 is 6, so we just have 6n.