Probability of event after x hours is 0.74e-0.5x + 0.25e-0.25x Find mean, variance and quartiles of waiting times

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A: SSxySSxx⋅SSyy−−−−−−−−−√SSxySSxx⋅SSyy−−−−−−−−−√

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Q: Analysis of Variance can also be called as F-test. true or false?

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