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 48 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
Thanks for the timely response, appreciate it

ebonylittles

  • Member
  • Posts: 318
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Light-mantled Albatrosses regularly dive to feed, and can dive to below 12 m. Light-mantled Albatrosses regularly dive to feed, and can dive to below 12 m.
Life of a Medical School Student Life of a Medical School Student
Identify each stage of the life cycle Identify each stage of the life cycle
Gymnosperm life cycle Gymnosperm life cycle
Light Waves in the Electromagnetic Spectrum Light Waves in the Electromagnetic Spectrum
Enterohepatic recirculation of a drug can increase its half-life in the body and prolong its ... Enterohepatic recirculation of a drug can increase its half-life in the body and prolong its ...
Video: Chromosome structural organization/ Mechanisms for chromosome movement Animation

For a complete list of videos, visit our video library