The standard deviation for the lifetimes of washing machines is estimated to be 800 hours. What ...

Author Question: The standard deviation for the lifetimes of washing machines is estimated to be 800 hours. What ... (Read 81 times)

debasdf

Hero Member
Posts: 570

on: Jun 24, 2018

The standard deviation for the lifetimes of washing machines is estimated to be 800 hours. What sample size must be selected in order to be 97 confident that the margin of error will not exceed 50 hours?

Question 2

What steps of the problem solving process are involved in decision making?

Harbringer

Sr. Member
Posts: 329

Reply #1 on: Jun 24, 2018

Answer to Question 1

1206

Answer to Question 2

Answer not provided.

Need homework help now?

Ask unlimited questions for free

Ask a Question

« previous next »

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.