The amount of time a certain brand of light bulb lasts is normally distributed with a mean of 800 hours and a standard deviation of 50 hours. What is the probability that
a randomly chosen light bulb will last between 780 hours and 810 hours, to the
nearest thousandth?

answer: solve 5\cdot 2^x=2405⋅2  

x

=2405, dot, 2, start superscript, x, end superscript, equals, 240.

solution

to solve for xxx, we must first isolate the exponential part. to do this, divide both sides by 555 as shown below. we do not multiply the 555 and the 222 as this goes against the order of operations!

\begin{aligned} 5\cdot 2^x& =240 2^x& =48 \\ \end{aligned}  

5⋅2  

x

2  

x

​    

=240

=48

​

step-by-step explanation:

2

step-by-step explanation:

what is the rest of the question? ?

the graph line crosses the x axis at both -6 and -2, so the answer would be the second one.