Answer:
9
Step-by-step explanation:
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>
Answer:
19
Step-by-step explanation:
To calculate this, all we need to do is 150 * 0.125 ≈ 18.75 which rounds to 19. We round to the nearest integer because you can't land on the 4 18.75 times.
Answer:
true
Step-by-step explanation:
-3ab+4ac-2ad=-3ab + 4ac-2ad
-3ab+3ab +4ac-4ac-2ad+2ad=0
0=0.
so,it is true
