The mean on a statewide geography test was 76 with a standard deviation of 11. West County sampled the scores of some of its students and reported a mean of 75 with a margin
of error of +2.2.
What is the range of reasonable means for West County's sample?
Round to the nearest tenth

This is what i found “an explicit formula designates the nth term of the sequence, as an expression of n (where n = the term's location). it defines the sequence as a formula in terms of n. this example is an arithmetic sequence(the same number, 5, is added to each term to get to the next term).” i hope this you for what your looking for. can you plz mark me brainliest?

X=3 and y=4 is the answer