Calculate the narrow sense heritability for a grandparent-gr…

Calculate the narrow sense heritability for a grandparent-grandchild relationship when the observed correlation coefficient is 0.2.   Concordance values Siblings 0.5 Identical Twins 1.0 Parent of Offspring 0.5 Aunt/Uncle to Offspring 0.25 Grandparent to Offspring 0.25

A client is in the ER with severe burns that include second…

A client is in the ER with severe burns that include second degree burns to his full right arm and anterior chest. Third degree burns are present on the full left arm. The triage nurse uses the rule of nines to estimate the extent of burns and calculates which body percentage of burns?

At a certain gas station, 40% of the customers use regular u…

At a certain gas station, 40% of the customers use regular unleaded gas (A1), 35% use extra unleaded gas (A2), and 25% use premium unleaded gas (A3).  Of those customers using regular gas, only 30% fill their tanks (event B).  Of those customers using extra gas, 60% fill their tanks, where as of those using premium, 50% fill their tanks.  What is the probability that the next customer will request extra unleaded gas and fill the tank?