Answered

Explore Westonci.ca, the premier Q&A site that helps you find precise answers to your questions, no matter the topic. Get expert answers to your questions quickly and accurately from our dedicated community of professionals. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.

17. Airlines must be aware of the weight of the aircraft plus everything on board. Based on
thousands of flights, the mean and standard deviation for the weights of several items are shown in
the table. The weights of the airplane, people/luggage, and fuel are assumed to be independent.
Item
Mean (in
tons)
Plane
45
People/luggage 10
Fuel
20
Standard Deviation (in
tons)
2
1
1
Let the random variable T represent the total weight of the plane, people/luggage, and fuel for a
randomly selected flight. Which of the following is closest to the standard deviation of T?
04.00 tons
120 tons
2.45 tons
O 6.00 tons
0 75.0 tons

Sagot :

Answer:

2.45 tons

Step-by-step explanation:

square root of the sum of each number squared

The option that is closest to the standard deviation of T will be B. 2.45 tons.

How to calculate the standard deviation?

The standard deviation of T based on the information given will be calculated thus:

= ✓2² + ✓1² + ✓1²

= ✓4 + ✓1 + ✓1

= 2.45

In conclusion, the calculation shows that the option that is closest to the standard deviation of T will be 2.45 tons.

Learn more about standard deviation on:

https://brainly.com/question/4124942

Visit us again for up-to-date and reliable answers. We're always ready to assist you with your informational needs. Thanks for stopping by. We strive to provide the best answers for all your questions. See you again soon. Get the answers you need at Westonci.ca. Stay informed by returning for our latest expert advice.