The probability of a component's failure is 0.05. Out of 14 components what is the probability distribution of X.
hint:binomial distribution
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A study was conducted to find out the concentration of sulphur dioxide in the air in parts per million (ppm) of a certain city. The data obtained for 30 days is as follows:
0.03
0.16
0.11
0.08
0.11
0.08
0.05
0.08
0.01
0.07
0.08
0.02
0.12
0.10
0.05
0.09
0.06
0.13
0.06
0.07
0.04
0.18
0.22
0.09
0.01
0.17
0.20
0.07
0.18
0.04
(i) Make a grouped frequency distribution table for this data with class intervals as 0.00−0.04,0.04−0.08, and so on.
(ii) For how many days, was the concentration of sulphur dioxide more than 0.11 parts per million?
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