A Major Airline Has Stated in an Industry Report That

question 175

True/False

A major airline has stated in an industry report that its mean onground time between domestic flights is less than 18 minutes. To test this, the company plans to sample 36 randomly selected flights and use a significance level of 0.10. Assuming that the population standard deviation is known to be 4.0 minutes, the probability that the null hypothesis will be "accepted" if the true population mean is 16 minutes is approximately 0.955.

---

Definitions:

Foot Drop

A gait abnormality in which the dropping of the forefoot happens due to weakness, irritation or damage to the peroneal nerve, or paralysis of the muscles in the anterior portion of the lower leg.

Trochanter Rolls

Cylindrical devices placed beside the hips or legs to prevent external rotation and support the limbs' proper alignment.

Dorsiflex

The action of raising the foot upwards towards the shin, decreasing the angle between the dorsum (upper surface) of the foot and the leg.

Foot Boots

Protective footwear designed to shield the feet from harm during various activities or as part of treatment for foot-related conditions.