A random sample of 150 people was taken from a very large population. Ninety of the people in the sample were females. The standard error of the proportion of females is.

James needs to move this box. he has already checked it and knows it is not too heavy for him to lift. he also has a clear path and a place to safely set down the box. tell james what to do next to safely lift this box by placing the steps in the correct order. place the options on the left in the correct sequence by dragging them to the appropriate answer box to check your answer.

The graph shows the populations of two species in a particular region over two decades. based on the graph, what can you conclude about the relationship between the two species? a. the two species have a parasitic relationship. b. the two species are mutualistic in nature. c. the two species exhibit commensalism. d. the two species have a prey-predator relationship. e. the two species have a familial relationship.

Luminous objects such as flashlights emit light that we can see. how do we see an object that isn’t luminous? a. the object emits light that reaches our eyes. b. light reflects off the object and reaches our eyes. c. light passes through the object uninterrupted. d. light is fully absorbed by the object. e. we can’t see an object that isn’t luminous.