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

Author Question: A manufacturer of power tools claims that the mean amount of time required to assemble their ... (Read 41 times)

Bob-Dole

  • Hero Member
  • *****
  • Posts: 547
on: Jun 24, 2018
A manufacturer of power tools claims that the mean amount of time required to assemble their top-of-the-line table saw is 80 minutes with a standard deviation of 40 minutes. Suppose a random sample of 64 purchasers of this table saw is taken. So, the middle 95 of the sample means based on sample sizes of 64 will be between ________ and ________.
 
  Fill in the blank(s) with correct word

Question 2

The amount of tea leaves in a can from a particular production line is normally distributed with  = 110 grams and  = 25 grams. What is the probability that a randomly selected can will contain at least 100 grams of tea leaves?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

DHRUVSHAH

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jun 24, 2018
Answer to Question 1

70.2 and 89.8 minutes

Answer to Question 2

0.6554


Bob-Dole

  • Member
  • Posts: 547
Reply 2 on: Jun 24, 2018
:D TYSM

AmberC1996

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Oldowan tools are simple flake tools struck from a core. Oldowan tools are simple flake tools struck from a core.
Richmond, Virginia, lies in ruins in April 1865 at the time of Lincoln’s visit—and a few days before Richmond, Virginia, lies in ruins in April 1865 at the time of Lincoln’s visit—and a few days before
Maximal Heart Rate Over Time Maximal Heart Rate Over Time
Healthier choices can be made when time is taken to read a nutrition label. Healthier choices can be made when time is taken to read a nutrition label.
With fewer men than women in college, is it time to consider affirmative action for men? With fewer men than women in college, is it time to consider affirmative action for men?
Examples of manual exfoliation tools: loofah, brushes, ayate cloth, and sisal mitt. Examples of manual exfoliation tools: loofah, brushes, ayate cloth, and sisal mitt.
Video: Types of disease resistance: innate defenses & immunity

For a complete list of videos, visit our video library