Answer: a) 0.8413, b) 0.9987.
Step-by-step explanation:
Since we have given that
Mean = 3 pounds
Standard deviation = 0.25 pounds
n = 28 bricks
So, (a) What is the probability that all the bricks in the sample exceed 2.75 pounds?
b) What is the probability that the heaviest brick in the sample exceeds 3.75 pounds?
Hence, a) 0.8413, b) 0.9987.
I’m confused. The answer is already given. It’s 0.
Explanation: A dice only has up to 6 sides, therefore it won’t be possible for it to reach the number 8.
There are 40 black and 20 blue so if you divide by 20 the ratio is 2:1
Answer:
28, 29, 30
Step-by-step explanation: