1.4) A local bottling company has determined the number of machine breakdowns per month and their respective probabilities shown below. Based on the given information: Number of Breakdowns Probability...

1.4) A local bottling company has determined the number of machine breakdowns per month and their respective probabilities shown below.

Based on the given information:

a) What is the probability of at least 3 breakdowns in a month?

b) What is the probability of no breakdowns in a month?

c) What is the expected number of machine breakdowns per month?

d) What is the standard deviation of machine breakdowns per month?