This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A company installs 5,000 light bulbs. Each bulb has an average life of 500 hours with a standard ... (Read 97 times)

TFauchery

  • Hero Member
  • *****
  • Posts: 500
on: Jun 16, 2021

Question 1

Let x be a continuous random variable that is normally distributed. Find the requested probability using the given mean and standard deviation.

The mean is μ = 137.0 and the standard deviation is σ = 5.3.
Find P(134.4 ≤ x ≤ 140.1).
◦ 0.0311
◦ 1.0311
◦ 0.4069
◦ 0.9069

Question 2

A company installs 5,000 light bulbs. Each bulb has an average life of 500 hours with a standard deviation of 100 hours. The life of each bulb is approximated by a normal curve. Find the number of bulbs that can be expected to last less than 500 hours.
◦ 2400 bulbs
◦ 2500 bulbs
◦ 3000 bulbs
◦ 1000 bulbs
Calculus and Its Applications ¦ Bittinger, Ellenbogen, Surgent ¦ 11th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by TFauchery on Jun 16, 2021

JCABRERA33

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jun 16, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


TFauchery

  • Member
  • Posts: 500
Reply 2 on: Jun 16, 2021
Wow, this really help

rleezy04

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Ascomycetes Life Cycle Ascomycetes Life Cycle
Light-Gathering Power Light-Gathering Power
How to solve all of life's problems How to solve all of life's problems
Should We Prolong Life at all Costs? Should We Prolong Life at all Costs?
Apply light effleurage around abdomen in a large circle with the palm of a flat hand. Apply light effleurage around abdomen in a large circle with the palm of a flat hand.
Life Cycle Nutrition: Toddlers through the Later Years Life Cycle Nutrition: Toddlers through the Later Years
Video: Bond types - Atomic structure and basis of bonds

For a complete list of videos, visit our video library