Answer:
the answer is c
Step-by-step explanation:
i just took a test with this question on it.
Answer:
(n-1)/2n
Step-by-step explanation:
½(1 - 1/n)
(n-1)/2n
J. -8 is the correct answer
Answer: There is a 90% chance that the true proportion of teenagers who drive their own car to school will lie in (0.5907, 0.9093).
Step-by-step explanation:
Interpretation of a% confidence interval : A person can be a% confident that the true population parameter lies in it.
Here, A 90% confidence interval to estimate the true proportion of teenagers who drive their own car to school is found to be (0.5907, 0.9093).
i.e. A person can be 90% confident that the true proportion of teenagers who drive their own car to school lies in (0.5907, 0.9093).
Hence, correct interpretation is : There is a 90% chance that the true proportion of teenagers who drive their own car to school will lie in (0.5907, 0.9093).
Answer:
The component form of the vector that represents the velocity of the airplane is 
Step-by-step explanation:
Given;
velocity of the airplane, v = 75 mph
direction of the plane, θ = 9°
The vertical component of the velocity is given by;
The horizontal component of the velocity is given by;
Therefore, the component form of the vector that represents the velocity of the airplane is given as;
