Wednesday

April 1, 2015

April 1, 2015

Posted by **Mike** on Saturday, March 12, 2011 at 1:29pm.

It is known that about 20% of car insurance policies include emergency road service. Suppose we randomly select 10 car insurance policies.

What is the probability that at least one policy will have emergency road service?

0.6242

0.3758

0.8926

0.2684

0.1074

What is the expected number of policies having emergency road service?

3.5

8.0

1.6

2.0

5.0

- Statistics- Help -
**MathGuru**, Wednesday, March 16, 2011 at 9:09pmYou need to find P(0). Use a binomial probability table, with x = 0, n = 10, and p = .2. Subtract the value you find in the table from 1. This will be your probability.

Second part: take n * p, where n = 10, and p = .2.

I hope this will help.

**Answer this Question**

**Related Questions**

Stats - I need help with this problem for school. For the first one i got .3758 ...

Stats - I need help with this problem for school. For the first one i got .3758...

Statistics- Need someone to check - Ok so i don't know how i got that answer i ...

Need someone to check - It is known that about 20% of car insurance policies ...

Math - i need help finding the slope of the line that passes through each pair ...

physics - What are the magnitude and direction of the particle’s acceleration? ...

math,correction - Solve each of the following equations for x. Problem#1 (x)/(6...

Pre-Calculus - Each second after shut-off, the speed of the blade is 2/3 of the ...

Algebra - Once again, I have some confusing problems for math. If you know any ...

MATH...somewhat urgent - I have three problems I would like checked please.1: I ...