Mathematics, 14.11.2019 19:31 568389
Ashipping company handles containers in three different sizes: (1) 27 ft3 (3 × 3 × 3), (2) 125 ft3, and (3) 512 ft3. let xi (i = 1, 2, 3) denote the number of type i containers shipped during a given week. with μi = e(xi) and σi2 = v(xi), suppose that the mean values and standard deviations are as follows: ? 1 = 230 ? 2 = 240 ? 3 = 120? 1 = 11 ? 2 = 12 ? 3 = 7(a) assuming that x1, x2, x3 are independent, calculate the expected value and variance of the total volume shipped. [hint: volume = 27x1 + 125x2 + 512x3.]expected value ft3variance ft6(b) would your calculations necessarily be correct if the xi's were not independent? explain. the expected value would not be correct, but the variance would be correct. neither the expected value nor the variance would be correct. the expected value would be correct, but the variance would not be correct. both the expected value and the variance would be correct.
Answers: 1
Mathematics, 21.06.2019 14:50, sherry59Sherry59
What is the vertex form of f(x) = x2 + 6x + 3
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Mathematics, 21.06.2019 22:20, macycj8
1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.
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Mathematics, 22.06.2019 01:10, 24nelsoaddh
If the probability of an event happening is 65% then the probability this event does not occur?
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Ashipping company handles containers in three different sizes: (1) 27 ft3 (3 × 3 × 3), (2) 125 ft3,...
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