Wednesday

October 22, 2014

October 22, 2014

Posted by **mariha** on Saturday, April 14, 2012 at 8:57am.

(a) Explain what Type I error and Type II error that may occur in this study.

(b) What is the probability of committing a type II error if its battery actual last for 14 days.

(c) What sample size you will need if it is intended for a 90% probability of detecting that ‘the u is less than 15’ when it was actually u=14.

- statistics -
**MathGuru**, Saturday, April 14, 2012 at 6:51pmHere are a few suggestions:

Type I errors result when you reject the null and it's true. Type II errors result when you accept the null and it's false. The probability of a Type II error is beta.

You may be able to find sample size using margin of error.

Formula is this:

Margin of error = (z-value)(sd/√n)

**Answer this Question**

**Related Questions**

statistics - An IQ is designed so that the mean is 100 and the standard ...

statistics - Suppose a manufacturer claims that each family-size bag of pretzels...

statistics - A political candidate has asked you to conduct a poll to determine ...

biology - On a television talk show, a guest claims that people who exercise ...

Statistics - An IQ test is designed so that the mean is 100 and the standard ...

statistics - A manufacturer wishes to estimate the reliability (in months) of a ...

Statistics - An insurance company estimates 40 percent of its claims have errors...

Statistics - A manufacturer of sports equipment claims that the new fishing line...

STATISTICS - According to the Central Limit Theorem, The traditional sample size...

statistics - a manufacturer of detergent claims that the contents of the boxes ...