Answer:

Step-by-step explanation:
We are given the following in the question:
The organizers estimate that the variation in distance flown by the athletes will be σ = 10 meters.
This will be stated by the null hypothesis.

It was claimed that the organizers are underestimating the variation and the variation in distance is greater than 10.
This will be stated by the alternate hypothesis.

The parameter for the given hypothesis is standard deviation,
.
It will take 15 minutes to fill the ship to 75% of its capacity
1 square sorry if I’m wrong
Answer:
75mm²
Step-by-step explanation:
Area of a triangle
1/2 × base × height
= 1/2 × 10mm × 15mm
= 75mm²