The answer to this question is 50 because you have to multiply 100x50 and you get 5000
Answer:
It's impossible because the figure is greater than 10
Step-by-step explanation:

Therefore:

Answer: x = -1, -3
Step-by-step explanation:
Complete Question
A biologist reports a confidence interval of (3.5,4.9) when estimating the mean height (in centimeters) of a sample of seedlings. What is the estimated margin of error and the sample mean?
Answer:
The margin of error is 
The sample mean is 
Step-by-step explanation:
from the question we are told that
The upper limit is 
The lower limit is 
Generally the margin of error is mathematically represented as



Generally the sample mean is mathematically evaluated as

=> 
=> 