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. 👁 638
  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

Respond to this Question

First Name

Your Response

Similar Questions

  1. Probability

    A salesperson contacts eight potential customers per day. From past experience, we know that the probability of a potentail customer making a purchase is 0.10. a) What is the probability the salesperson will make at least two

  2. 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

  3. Math

    Part 1: Suppose you divide a polynomial by a binomial. How do you know if the binomial is a factor of the polynomial? Create a sample problem that has a binomial which IS a factor of the polynomial being divided, and another

  4. binomial probabbility

    Assume that a procedure yields a binomial distribution with a trial repeated n times. use the binomial probability formula to find the probability of x success given the probability p of success on a single trial. 1. by formula-

  1. algebra

    use substitution to solve the linear system 3x+2y=-5 4x-3y=16 help plz!!! Solve for y in one formula, and then substitute that value for y in the other formula to solve for x. Once you find x, substitute that value into either

  2. 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

  3. math

    Use the formula to solve the problems. B * In The amount that results when $3,000 is compounded at 7% annually over eight years. $ a0 The interest earned in this case.

  4. Physics

    A rock is dropped from a height of 100m. a) how long does it take to fall the first 50m? b)How long does it take to fall the last 50m? Which equation would I use to solve this problems with? For a) use s=(1/)g*t^2 where s=50m and

  1. Math

    Use the formula to solve the problems. B × In The amount that results when $6,000 is compounded at 7% annually over eight years=____ The interest earned in this case= ___

  2. algebra

    1)Use Pascal's triangle to expand (w-x)^5 2)Use the binomial theorem to find the third term in the expression of (n-2p)^6 3)Which is NOT a counterexample to the formula 1^2+3^2+5^2+...+(2n-1)^2=n(2n+1)/3 A.n=3 B.n=2 C.n=1 D.n=4 is

  3. math

    Suppose x has a binomial probability distribution with n = 200 and p = 0.60. Use the normal approximation to the binomial to find P (X > 130).

  4. Chemistry;HELP

    Use the 5-step method and be sure to include units where appropriate. Round your answers to the correct number of significant digits. Mass m Density = -------------- or D = ------- Volume v Adjust the density formula and solve the

You can view more similar questions or ask a new question.