Answer:
6/15=0.400
Step-by-step explanation:
Count all of the shoe sizes that are less than 7.5. (6) And then divide that number by 15 (the number of customers)
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
15 minutes is 25% of an hour. You can tell this because there are exactly 4 15 minute periods in one hour.
Hope this helped.
Answer:
16
Step-by-step explanation:
Complementary angles are angles which add to 90 degrees. This means 4x + 26 = 90. Solve for x using inverse operations in the equation.
4x+26 = 90
4x = 64
x = 16
Answer:
1. 3x-2y=-6
2. 3x+2y=6
Step-by-step explanation: