Posted by **mysterychicken** on Thursday, June 20, 2013 at 4:53pm.

I'm really stuck on these STATS questions.Can someone please help!

1. The probability of a car in a population having faulty brakes is .05. If we take a sample of 150 cars, find the standard deviation of the sampling distribution.

2. The strength of ten I-beams produced in a steel mill is an example of a..?

I think it is STATISTIC but I am not sure.

The choices are parameter, statistic, sample, population

3. What can be used in selecting samples and dividing these samples into different treatments?

a. block design

b. random number generators

c. convenience sampling

d. group design

Thankss!

## Answer This Question

## Related Questions

- Math (Statistic) - Considered the sampling distribution of a sample mean ...
- Math- Statistics - A random sample of size 36 is to be selected from a ...
- math - Can I gt some help on these questions! 1.Research subjects that are ...
- Stats - You take and SRS of size 25 from a population with mean 200 and standard...
- statistics - The scores of students on the ACT college entrance examination in ...
- STATS Math - Suppose a simple random sample of size n=150 is obtained from a ...
- Stats Math 3 - Suppose a simple random sample of size n=150 is obtained from a ...
- Math/Statistics - STATISTICS PLEASE HELP!!!!! I am sorry this is jy second time ...
- Stats - workers at a large toxic cleanup project are concerned that their white ...
- statistics help - Tests on a Chevy Cobalt incdicate a population mean of 32 mpg ...

More Related Questions