Answer:
And the 95% confidence interval would be given (0.107;0.227).
Step-by-step explanation:
Information given
number of trees with signs of disease
the sample selected
the proportion of trees with signs of disease
The confidence interval for the true proportion would be given by this formula
For the 95% confidence interval the significance is 
and 
, and the critical value would be
And replacing we got:
And the 95% confidence interval would be given (0.107;0.227).
Answer:
3.2 feet.
Step-by-step explanation:
Since the total amount of water that was decreased is equal to 12.8, we would divide it by 4 to see how much it decreased in 1 week assuming it was constant. So, 12.8 divided by 4 is 3.2.
Answer:
B.
Step-by-step explanation:
From the number line, we can see that the blue line points to all values to the <em>left</em> of 5. This means all values <em>less than</em> 5.
Also, note that since the blue dot is closed, the inequality includes 5.
Therefore, the inequality that represents the graph is all values <em>less than or equal</em> to 5.
In notation, this is:
The answer is B
Answer:
top right
Step-by-step explanation:
