Answer:
the Answer is 3x+12)+X=180
Answer:
x=9
Step-by-step explanation:
Answer:
Shape: Approximately Normal
Center: 20 minutes
Variability: 6.5 minutes.
Answer:
95% Confidence interval: (0.8449,0.9951)
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 50
Number of times the dog is right, x = 46
95% Confidence interval:
Putting the values, we get:
(0.8449,0.9951) is the required 95% confidence interval for the proportion of times the dog will be correct.