The net weight average of 900 tin olive oil in one production was 5.2 kg and the standard deviation was 0.3 kg. A sample of 100 pieces was randomly chosen from these olive oil cans. 1) What is the...

The net weight average of 900 tin olive oil in one production was 5.2 kg and the standard deviation was 0.3 kg. A sample of 100 pieces was randomly chosen from these olive oil cans.

1) What is the probability that the average of this sample is more than 5.25 kg?

2) The average of this example is 5.15 to 5.25 kg what is the probability of being between?

3) What is the probability that the mean of the same sample is 5.18 kg or more?