The following probability distribution represents the number of machine breakdowns (x) per month at a local bottling company:

x	P(x)
0	0.11
1	0.42
2	0.22
3	0.13
4	0.12

• In blank #1 enter the expected number of breakdowns per month.(Round your answers to 2 decimal place.)
• In blank #2 enter the standard deviation for the number of breakdowns per month.(Round your answers to 2 decimal places and enter your answer as 0.12 and not .12.)
• In blank #3 enter the probability that the company has less than 4 breakdowns a month. (Round your answers to 2 decimal places and enter your answer as 0.12 and not .12.)
• In blank #4 enter the probability that the company has at least 2 breakdowns per month.(Round your answers to 2 decimal places and enter your answer as 0.12 and not .12.)