The correct answer is B, sorry if it wasn't correct.
Answer:
A is your answer
Step-by-step explanation:
A
Given that t<span>he
mean lifespan of a sylvania light bulb is 1600 hours with a standard
deviation of 300 hours, an iqr of 450 hours, and a range of 690 hours.
the lifespan distribution is relatively symmetric.
Since, the distribution is relatively symmetric, the measure of
spread that is the best measurement is the standard deviation.</span>
Draw up a right triangle to connect these two points with the line itself being the hypotenuse. Then use pythagorean theorem to solve for the hypotenuse
I believe the equation would be
160+0.2y
Because 160 deer and you round the 20% into a decimal point.