q3 & 12a Please answer the question on both pictures. They are unrelated in nature. Consider the following discrete random distribution: P(x) .15 1 .20 2 30 3 20 .15 What is the variance of the...


q3 & 12a



Please answer the question on both pictures. They are unrelated in nature.


Consider the following discrete random<br>distribution:<br>P(x)<br>.15<br>1<br>.20<br>2<br>30<br>3<br>20<br>.15<br>What is the variance of the distribution?<br>O 1.0<br>1.6<br>2.0<br>1.2<br>1.5<br>

Extracted text: Consider the following discrete random distribution: P(x) .15 1 .20 2 30 3 20 .15 What is the variance of the distribution? O 1.0 1.6 2.0 1.2 1.5
Ship collisions in the Vancouver harbour are<br>rare. Suppose the number of collisions is<br>Poisson distributed, with a mean of 1.2<br>collisions every four months.<br>Appendix A Statistical Tables<br>а.<br>What is the probability of having no<br>collisions occur over a four-month period?<br>(Round your answer to 4 decimal<br>places, e.g. 0.7895.)<br>

Extracted text: Ship collisions in the Vancouver harbour are rare. Suppose the number of collisions is Poisson distributed, with a mean of 1.2 collisions every four months. Appendix A Statistical Tables а. What is the probability of having no collisions occur over a four-month period? (Round your answer to 4 decimal places, e.g. 0.7895.)

Jun 10, 2022
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