Answer:

Explanation:
The computation of the probability of the selected person is undergraduate or a female is shown below:
Total person in psychology lab
= Male doctoral students + female doctoral students + male undergraduates + female undergraduates
= 8 + 6 + 16 + 9
= 39
Now the probability would be
= (Female doctoral students + male undergraduates + female undergraduates) ÷ (Total persons)

= 
Answer: Is slower than what's expected for a 3-year old.
Explanation:
A normal child between the age range from 1-3 pick words very fast, they want to pronounce every word spoken by an adult and the older they are and with the ability to read, they want to read every word they see, this helps their progress, especially when they are surrounded with those who speak and they can guide them to reading. A child just picking 2-3 words every week on a average is poor considering the age, maybe those below the age 1 would be in such category.
Europeans trying to colonise America. They brought weapons and diseases with them that the Natives wouldn't have been familiar with.
Answer:
Fixed expenses cost the same amount each month and are usually paid on a regular basis. ... Variable expenses can change based on the day, week or month. Although discretionary spending is often a variable expense, variable expenses can be necessities, too.
Explanation: