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Mathematics, 26.09.2019 18:00 miguel20000000

M5_a3. the expected project completion time for the construction of a pressure vessel is 18 monthsand the project variance is 7. (note: when using the z tables – round your z values to two decimal placesbefore getting the probabilities from the tables. do not round standard deviations prior to calculating zvalues)note: enter probabilities as decimals (i. e 92.31% should be entered as 0.9231)a) what is the probability that the project will require at least 19 months? (enter 4 decimal placesfrom distribution tables)b) what is the probability that the project will be completed within 24 months? (enter 4 decimalplaces from distribution tables)c) what is the probability that the project will require at least 21 months? (enter 4 decimal placesfrom distribution tables)d) what is the probability that the project will be completed within 15 months? (enter 4 decimalplaces from distribution tables)e) what is the probability that the project will take between 16 and 24 months to complete? (enter4 decimal places from distribution tablesshow work

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