Answer:
The number of defective bulbs in the shipment should be around 15, give or take 4.
Step-by-step explanation:
For each bulb, there are only two possible outcomes. Either it is defective, or it is not. The probability of a bulb being defective is independent of any other bulb. This means that the binomial probability distribution is used to solve this question.
Binomial probability distribution
Probability of exactly x successes on n repeated trials, with p probability.
The expected value of the binomial distribution is:

The standard deviation of the binomial distribution is:

Suppose the probability at a light bulb factory of a bulb being defective is 0.11
This means that 
Shipment of 133 bulbs:
This means that 
Mean and standard deviation:


Rounding to the nearest integers:
The number of defective bulbs in the shipment should be around 15, give or take 4.
Answer:
19
Step-by-step explanation:
f(x)=2(3^x)+1,
Let x=2
f(2)=2(3^2)+1
Exponents first
=2 (9) +1
Then multiply
=18+1
=19
The answer is 172. hope that helps
Answer:
49
Step-by-step explanation:
-7^2
= -7 * -7
= 49
Hope this helps! :3
plz mark as brainliest!
I'm pretty sure it is 399 people total.
5% of 380 is 19
380 plus 19 is 399