A store charges the same amount for each pair of socks. A customer can buy 3 pairs of socks for $7.80. Henry bought 4 pairs of s
1 answer:
You might be interested in
Answer:
slope is undefined
Step-by-step explanation:
Calculate the slope m using the slope formula
m =
with (x₁, y₁ ) = (1, 2) and (x₂, y₂ ) = (1, - 3)
m = =
Since division by zero is undefined then the slope of the line is undefined
Answer:
We are 95% confident that the true proportion of TV audience is between 65.15% and 65.85%
Step-by-step explanation:
-From the given information, .
-We calculate the confidence interval using this value at 95% confidence level:
So, the 95% confidence interval is (0.6515,0.6585).
Hence, we are 95% confident that the true proportion of TV audience is between 65.15% and 65.85%.