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telo118 [61]
3 years ago
13

Suppose a brand of lightbulbs is normally distributed with a mean life of 1900 hours and a standard deviation of 50 hours. Find

the probability that a lightbulb will last between 1825 hours and 1980 hours
Mathematics
1 answer:
Alexxandr [17]3 years ago
6 0
I am not sure exactly how to do it but based on my knowledge, I think the answer would be 1/38
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Find the domain of the rational expression: x-3/2x-8
miss Akunina [59]

Answer:

\huge\boxed{x\neq4\to x\in\mathbb{R}\backslash\{4\}}

Step-by-step explanation:

\dfrac{x-3}{2x-8}

We know: the denominator must be different than 0.

Therefore

2x-8\neq0        <em>add 8 to both sides</em>

2x-8+8\neq0+8

2x\neq8             <em>divide both sides by 2</em>

\dfrac{2x}{2}=\dfrac{8}{2}\\\\x\neq4

6 0
3 years ago
= 3when x-<br>What is the value for f(x) = 3^2x+1 when x=1/2<br>3<br>6<br>9<br>15<br>​
Zigmanuir [339]

Its 9 because it includes f(x)

6 0
3 years ago
All tablet computers are on sale for 15% off at Just Tablets.
san4es73 [151]
It would be A:303.45$ because 357-53.55 which would be 303.45$
8 0
3 years ago
Read 2 more answers
From its founding through 2012, the Rock and Roll Hall of Fame has inducted 303 groups or individuals. Forty-seven of the induct
motikmotik

The probability of inductees who are female will be 0.155.

<h3>How to illustrate the probability?</h3>

Question: What proportion of inductees have been female or have included female members?

From the information, 303 groups or individuals and forty-seven of the inductees have been female or have included female members.

Therefore, the proportion will be:

= 47/303

= 0.155

Learn more about probability on:

brainly.com/question/24756209

#SPJ1

8 0
2 years ago
Y varies as t. if y = 6 when t= 4
jonny [76]
See attachment file below.

Hope it helped!!

6 0
3 years ago
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