PLEASE HELP The left-hand "tail of the standard normal curve can be defined as the part
that lies at least 2 standard deviations to the left of the mean.
According to the empirical rule, approximately what percentage of the area
under the whole curve is in the left-hand tail? Round your answer to the
nearest tenth.

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step-by-step explanation:

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.