A company installs 5000 light bulbs, each with an averge life of 500 hours, standard deviation of 100 hours, and distribution approximated by a normal curve. find the percentahe of bulbs that can expected to last the period of time. less than 690 hours

Question and answer

The answer is 97.1%

Expert answered|jeifunk|Points 6651|

Question|Rated good

Asked 9/19/2012 11:19:40 AM

0 Answers/Comments

This answer has been confirmed as correct and helpful.

Get an answer

Search for an answer or ask Weegy.

New answers

Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment

Questions asked by the same visitor

the average middle-distance runner at a local high school run the mile in 4.5 minutes, with a standard deviation of 0.3 minute. find the percentage of a runners that will run the mile in less than 4 minutes?

Weegy: 4 is .5 less than the mean of 4.5 To get the z score for this, just do .5 / .3 The z score will be negative, since you're considering something less than the mean. [ [ Look up a z score chart and figure out the percentage of the data that will be less than that z score. ] ] (More)

Question

Expert Answered

Asked 9/19/2012 11:35:12 AM

0 Answers/Comments

find the mean of the set of data. Round your answer to the nearest tenth.

Weegy: What is the given data? (More)

Question

Expert Answered

Asked 9/19/2012 12:01:57 PM

0 Answers/Comments

See all questions asked by the same visitor

37,255,371

questions answered

Get answers from Weegy and a team of really smart live experts.

Popular Conversations

What’s the waste product of electrons and pyruvate combining in ...

Weegy: The waste product of electrons and pyruvate combining in fermentation is lactic acid. User: Ella has just ...

1/24/2023 12:51:15 AM| 5 Answers

23. Community Emergency Response Teams are an example of:

Weegy: 23 * 23 = 529 User: 24. The Unified Coordination Group:

1/20/2023 12:21:56 AM| 4 Answers

which of the following processes can occur in the absent of oxygen

1/20/2023 11:46:46 PM| 4 Answers

which of the following statements is false? your driving record A) ...

1/22/2023 12:49:59 AM| 4 Answers

23. In support of the third goal of FEMA's action plan, FEMA leaders ...

1/22/2023 7:19:12 AM| 4 Answers

Good

Weegy: Good definition is a favorable character or tendency. User: Moccasins, , we’re commonly worn by ...

1/23/2023 7:53:19 PM| 4 Answers

What was one of President Lincoln's major frustrations early in the ...

Weegy: Lack of aggressive military leadership was one of President Lincoln's major frustrations early in the Civil ...

1/24/2023 9:08:44 AM| 4 Answers

What book recorded abuses in the meatpacking industry

Weegy: The book "The Jungle" exposed the abuses in the meatpacking industry. User: Concerns over the Spanish ...

1/24/2023 12:44:09 PM| 4 Answers

Sympathy drives disconnection, and empathy drives connection. Which ...

Weegy: Feel sorrow or sadness for the other person- is NOT one of the four qualities of engaging with empathy. User: ...

1/26/2023 4:28:59 AM| 4 Answers

6. Stabilizing community lifelines is the primary effort during?

Weegy: Stabilizing community lifelines is the primary effort during: Incident Response. User: 7. Why is it important ...

1/20/2023 12:08:50 AM| 3 Answers

Vehicles driving in the opposite direction on a multi lane highway ...

Weegy: Vehicles driving in the opposite direction on a multi-lane highway with opposite lanes separated by a raised ...

1/20/2023 1:31:25 AM| 3 Answers

• Exam Guidelines • Exam Instructions Question 16 of 20 : Select the ...

1/20/2023 2:48:41 AM| 3 Answers

WINDOWPANE is the live-streaming app for sharing your life as it happens, without filters, editing, or anything fake.

Because you're already amazing.

Connect with others, with spontaneous photos and videos, and random live-streaming. Post thoughts, events, experiences, and milestones, as you travel along the path that is uniquely yours.

Share your world.

Top Ranked Experts *

Order Points Ratings Comments Invitations

Rhed°88

Points 2709 [Total 3499] Ratings 2 Comments 2679 Invitations 1 Offline

@gary V

Points 1939 [Total 5563] Ratings 0 Comments 1879 Invitations 6 Offline

knight19

Points 1283 [Total 2996] Ratings 6 Comments 1183 Invitations 4 Offline

KuyaBert_09

Points 685 [Total 2078] Ratings 10 Comments 545 Invitations 4 Offline

Perl09

Points 644 [Total 702] Ratings 0 Comments 644 Invitations 0 Offline

Moscov23

Points 636 [Total 3926] Ratings 3 Comments 606 Invitations 0 Offline

Kuyaflo

Points 502 [Total 2031] Ratings 11 Comments 372 Invitations 2 Offline

Crystal_Sapphire

Points 492 [Total 492] Ratings 1 Comments 472 Invitations 1 Offline

Mayen

Points 428 [Total 1489] Ratings 2 Comments 378 Invitations 3 Offline

WordSc

Points 336 [Total 336] Ratings 3 Comments 306 Invitations 0 Offline

Find»

* Excludes moderators and previous
winners (Include)