Suppose that a device advertised to increase a car's gas mileage really does not work. We test it on a
Small fleet of cars (with H0: not effective), and our data results in a P-value of 0.004. What
Probably happens as a result of our experiment?
A) We correctly reject $\mathrm { H } _ { 0 }$.
B) We fail to reject $\mathrm { H } _ { 0 }$, committing Type II error.
C) We reject $\mathrm { H } _ { 0 }$, making a Type I error.
D) We correctly fail to reject $\mathrm { H } _ { 0 }$.
E) We reject $\mathrm { H } _ { 0 }$, making a Type II error.

Question

Suppose that a device advertised to increase a car's gas mileage really does not work. We test it on a
Small fleet of cars (with H0: not effective), and our data results in a P-value of 0.004. What
Probably happens as a result of our experiment? 
A) We correctly reject $\mathrm { H } _ { 0 }$.
B) We fail to reject $\mathrm { H } _ { 0 }$, committing Type II error.
C) We reject $\mathrm { H } _ { 0 }$, making a Type I error.
D) We correctly fail to reject $\mathrm { H } _ { 0 }$.
E) We reject $\mathrm { H } _ { 0 }$, making a Type II error.

Quizplus · Accepted Answer

The Answer of Suppose that a device advertised to increase a car's gas mileage really does not work. We test it on a
Small fleet of cars (with H0: not effective), and our data results in a P-value of 0.004. What
Probably happens as a result of our experiment? 
A) We correctly reject $\mathrm { H } _ { 0 }$.
B) We fail to reject $\mathrm { H } _ { 0 }$, committing Type II error.
C) We reject $\mathrm { H } _ { 0 }$, making a Type I error.
D) We correctly fail to reject $\mathrm { H } _ { 0 }$.
E) We reject $\mathrm { H } _ { 0 }$, making a Type II error.

Suppose That a Device Advertised to Increase a Car's Gas H0\mathrm { H } _ { 0 }H0​

Suppose That a Device Advertised to Increase a Car's Gas $\mathrm { H } _ { 0 }$