Answer: d
Step-by-step explanation:
The probability that exactly 6 are defective is 0.0792.
Given:
30% of the bulbs in a large box are defective.
If 12 bulbs are selected randomly from the box.
To find:
The probability that exactly 6 are defective.
Solution:
Probability of defective bulbs is:



Probability of non-defective bulbs is:



The probability that exactly 6 are defective is:





Therefore, the probability that exactly 6 are defective is 0.0792.
Learn more:
brainly.com/question/12917164
Answer:
sin(π/8) = (1/2)√(2-√2)
Step-by-step explanation:
Using the half-angle formula ...

We can let θ = π/4 and simplify the result as follows:

Answer:
6 times
Step-by-step explanation:
Turn that fraction into a decimal. 3/4=0.75
Divide!
4.5/0.75=6
28/2 or 28 x (1/2)
You can either divide $28 by 2 or multiply it by (1/2)