# Statistics

Solve the following problems by using the binomial formula.
a. If n = 4 and p = .10 , find P(x = 3) .
b. If n = 7 and p = .80 , find P(x = 4) .
c. If n = 10 and p = .60 , find P(x ¡Ý 7) .
d. If n = 12 and p = .45 , find P(5 ¡Ü x ¡Ü 7) .

1. 👍 0
2. 👎 0
3. 👁 39
1. If you need to use the formula and work your problems instead of using the binomial probability table, here is the formula to use:

P(x) = nCx(p^x)[q^(n-x)]

For a:
x = 3
n = 4
p = .10
q = 1 - p = .90

I'll let you take it from here for the rest of your problems.

1. 👍 0
2. 👎 0

## Similar Questions

1. ### algebra

how would i work out the following problems solve each formula in terms of the given variable 1. 5d-2g=9 ;g The formula A=2h(l+w) gives the lateral area a of a rectangular solids with length l, width,w and height h. 2. solve this

asked by jessica on September 22, 2008
2. ### Algebra

I have two problems that I am not sure about how to work out. 1. The distance traveled by a falling object is given by the formula d=4.9t^2, where d is in meters and t is in seconds. Solve the formula for t. 2.The volume of a

asked by FCH on March 31, 2008
3. ### ALGEBRA

I have two problems that I am not sure about how to work out. 1. The distance traveled by a falling object is given by the formula d=4.9t^2, where d is in meters and t is in seconds. Solve the formula for t. 2.The volume of a

asked by Casey on March 31, 2008
4. ### probabilities

A brand name has 50% recognition rate. Assume the owner of the brand wants to verify that rate by beginning with a small sample of 6 randomly selected consumers. How would you do the binomial probability formula can be used to

asked by slomomo on February 19, 2015
5. ### statistics

Answer the following: (A) Find the binomial probability P(x = 5), where n = 12 and p = 0.70. (B) Set up, without solving, the binomial probability P(x is at most 5) using probability notation. (C) How would you find the normal

asked by Huffette on December 6, 2012
6. ### MATH

Answer the following: (A) Find the binomial probability P(x = 4), where n = 12 and p = 0.30. (B) Set up, without solving, the binomial probability P(x is at most 4) using probability notation. (C) How would you find the normal

asked by Jennifer on November 11, 2011
7. ### statistics

When using the normal approximation to the binomial, what is the mean used in the standardization formula when approximating a binomial distribution with 123 trials and p=0.35? Please submit your answer with 2 decimal places

asked by chandler on July 10, 2014
8. ### AlgebraII

I really stuck on binomial theorem and I have a whole worksheet due Monday How do I solve (x+5y)^4 I need to really understand this-please explain the steps so I can learn from it and then use it to do the other problems

asked by JoyceLynn on April 9, 2011
9. ### NSU, Finite Math

Problem Solving:Using the Binomial Formula: P(x)=(nCx)pxqn-x A Dozen Eggs An egg distributor determines that the probability that any individual egg has a crack is .014. a)Write the binomial probability formula to determine the

asked by Trudy on April 6, 2007
10. ### statistics

When using the normal approximation to the binomial, what is the standard deviation used in the standardization formula when approximating a binomial distribution with 226 trials and p=0.25? Please submit your answer with 4

asked by chandler on July 10, 2014

More Similar Questions