The mean speed of a sample of vehicles along a stretch of highway is 67 milesper hour, with a standard deviation of 4 miles. Estimate the percent of vehicles whose speed are between 63 miles per hour abd 71 miles per hour

the answer is d

the answer is in the first quadrant, which make the y-int positive.

since the dots are going down, therefore the correlation is negative

i hope it is right.

the domain of a function is the set of input values, x , for which a function is defined. the domain is shown in the left oval in the picture below. the function provides an output value, f(x) , for each member of the domain.

5

step-by-step explanation: