Answer:
The answer is (A)
Step-by-step explanation:
Answer:
whoa
Step-by-step explanation:
The coefficient of the third term in this expression is +2 from the term (+2x).
Answer: 90% confidence interval would be
Step-by-step explanation:
Since we have given that
n₁ = 50
Number of metal tagged penguins survived = 10
So, 
n₂ = 50
Number of electronic tagged penguins = 18
So, 
So, at 90% confidence interval, z = 1.28
So, interval would be
Hence, 90% confidence interval would be