Mathematics

22 July, 18:25

The average life of a lightbulb is 2500 h, with a standard deviation of 200 h. Suppose that 10,000 bulbs are purchased to equip a new building. Assume that the lives are normally distributed. How many of the light bulbs would be expected to burn out after just 1800 h?

+3

Answers (1)

Know the Answer?

Not Sure About the Answer?

Find an answer to your question 👍 “The average life of a lightbulb is 2500 h, with a standard deviation of 200 h. Suppose that 10,000 bulbs are purchased to equip a new ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.

Search for Other Answers

You Might be Interested in

In 2015, the population of a small town in florida is 95. of the population increases 15% per year, approximately what will the population be in 2023

How many tomes can 19 go into 2166?

A 3-foot piece of wire costs $0.76. What is the unit price, rounded to the nearest cent?

Which two numbers multiply to get 78 but add to get 12

Which of the following statements is always true? a. Workers being paid on commission make less money than if they are salaried. b. Workers being paid on commission get paid based solely on their performance. c.

New Questions in Mathematics

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.