Homework Help: Elementary Statistics help

Posted by LT on Monday, October 29, 2007 at 3:34pm.

It is generally believed that electrical problems affect about 14% of new cars. An automobile mechanic conducts diagnostic tests on 128 new cars on the lot.

a. Describe the sampling distribution for sample proportion by naming the model and telling its mean and standard deviation. Justify your answer.

b. What is the probability that in this group over 18% of the new cars will be found to have electrical problems?

Elementary Statistics help - Anonymous, Wednesday, February 3, 2010 at 10:42pm
jhj
Elementary Statistics help - asdddddd, Thursday, February 18, 2010 at 12:52pm
ahosooo
- rachel, Sunday, April 11, 2010 at 9:50pm
osv

Answer this Question

Related Questions

STATISTICS - It is generally believed that electrical problems affect about 14% ...
Economics - How will a new law mandating an increase in required levels of ...
Statistics - The Insurance Institute for Highway Safety conducted tests with ...
statistics - The Acme Car Company claims that at most 8% of its new cars have a ...
math - five rental cars require four new tires. the price of one new tire is $84...
statistics - -A set of seven scores has a mean of 10. If one of the scores is ...
Algebra - Hey! I like math,but this year I'm doing algebra 1 and am not ...
math - a new automobile depreciated 20% of its value after 1 year. if the ...
Math - The New Toyota cars will be sent to New York by train, about 2,850 miles...
Word Problem Maximizing A Bonus - Pauline Wong spends 4 hours selling a used car...

For Further Reading

First Name:
School Subject:
Answer: