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28 December, 18:13

Lydia is a project manager and submitted proposals for two different projects, Project X and Project Y to her boss. The probability of getting project X approved is 0.65. The probability of getting project Y approved is 0.77. The probability of getting at least one of the projects approved 0.90. The two projects are independent.

a. True

b. False

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  1. 28 December, 21:27
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    b. False

    Step-by-step explanation:

    P (X & Y) = 0.77 + 0.65 - 0.9 = 0.52

    P (X) * P (Y) = 0.65*0.77 = 0.5004

    Since P (X&Y) and P (X) * P (Y) are not equal, they are not independent
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