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

Author Question: The times required to assemble a product part are normally distributed with a mean of 47.5 minutes ... (Read 106 times)

casperchen82

  • Hero Member
  • *****
  • Posts: 540
on: Jul 24, 2018
The times required to assemble a product part are normally distributed with a mean of 47.5 minutes and a standard deviation equal to 8.5 minutes. What percent of the assembly workers require: more than one hour?

Question 2

Reading comprehension scores for junior high students in a school district are normally distributed with a mean of 80.0 and a standard deviation 5.0 . What percent have scores between 75 and 85?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Fayaz00962

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 24, 2018
Answer to Question 1

7.08
The times required to assemble a product part are normally distributed with a mean of 47.5 minutes and a standard deviation equal to 8.5 minutes.

Answer to Question 2

68.26


casperchen82

  • Member
  • Posts: 540
Reply 2 on: Jul 24, 2018
Excellent

chjcharjto14

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu
How to use L’Hospital’s Rule to find the limit of a function (Part 3) How to use L’Hospital’s Rule to find the limit of a function (Part 3)
How to solve optimization problems in calculus (Part 2) How to solve optimization problems in calculus (Part 2)
Press with (A) fingertips into GB-30; or (B) with thumb into GB-30; press 2–3 times. Press with (A) fingertips into GB-30; or (B) with thumb into GB-30; press 2–3 times.
Types of Blast Injuries (Part 2 of 2) Types of Blast Injuries (Part 2 of 2)
The functional role of pRB. The pRB protein product of RB1 The functional role of pRB. The pRB protein product of RB1
Video: Structures that affect circulation - heart and MABP

For a complete list of videos, visit our video library