Question

2a. A random variable follows a binomial distribution with probability of success, p = 0.45.    ...

2a. A random variable follows a binomial distribution with probability of success, p = 0.45.

      For n = 10, find:

  1. The probability of exactly 2 success.
  2. The probability of 4 or fewer successes.
  3. The probability of at least 8 successes.
  4. The expected value of this binomial distribution.
  5. The variance and standard deviation of the distribution?

Homework Answers

Answer #1

PL??

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A random variable follows a binomial distribution with a probability of success equal to 0.69 For...
A random variable follows a binomial distribution with a probability of success equal to 0.69 For a sample size of N=11​, find the values below. a. the probability of exactly 3 successes b. the probability of 7 or more successes c. the probability of exactly 10 successes d. the expected value of the random variable
A random variable follows a binomial distribution with a probability of success equal to 0.52. For...
A random variable follows a binomial distribution with a probability of success equal to 0.52. For a sample size of n=7, find the values below. a. the probability of exactly 3 successes b. the probability of 4 or more successes c. the probability of exactly 7 successes d. the expected value of the random variable
If the random variable X follows a binomial distribution with the probability of success given by...
If the random variable X follows a binomial distribution with the probability of success given by p, show that the variance of X is equal to np(1-p). [Hint:Consider first a Bernoulli probability distribution with n=1.]
for a random variable of 16 trials that follows a binomial distribution with the probability of...
for a random variable of 16 trials that follows a binomial distribution with the probability of failure at 35%, find the probability of fewer than 8 success.
Suppose we have a binomial distribution with n trials and probability of success p. The random...
Suppose we have a binomial distribution with n trials and probability of success p. The random variable r is the number of successes in the n trials, and the random variable representing the proportion of successes is p̂ = r/n. (a) n = 44; p = 0.53; Compute P(0.30 ≤ p̂ ≤ 0.45). (Round your answer to four decimal places.) (b) n = 36; p = 0.29; Compute the probability that p̂ will exceed 0.35. (Round your answer to four...
For the binomial distribution with n = 10 and p = 0.3, find the probability of:...
For the binomial distribution with n = 10 and p = 0.3, find the probability of: 1. Five or more successes. 2. At most two successes. 3. At least one success. 4. At least 50% successes
If random variable X has a binomial distribution with n =8 and P(success) = p =0.5,...
If random variable X has a binomial distribution with n =8 and P(success) = p =0.5, find the probability that X is at most 3. (That is, find P(X ≤ 3))
Assuming the binomial distribution applies with a sample size of nequals10​, find the values below. a....
Assuming the binomial distribution applies with a sample size of nequals10​, find the values below. a. the probability of 5 or more successes if the probability of a success is 0.65 b. the probability of fewer than 4 successes if the probability of a success is 0.20 c. the expected value of the random variable if the probability of success is 0.55 d. the standard deviation of the random variable if the probability of success is 0.55
Assume the random variable X has a binomial distribution with the given probability of obtaining success....
Assume the random variable X has a binomial distribution with the given probability of obtaining success. Find the following probability, given the number of trials and the probability of obtaining success. Round your answer to four decimal places. P(X≥7), n=10, p=0.3
A random variable has a 0.02 probability of success in each independent trial, where the total...
A random variable has a 0.02 probability of success in each independent trial, where the total number of trials is n= 90.         a.     What is the expected number of successes in 90 trials?         b.     What is the standard deviation of successes in 90 trials?         c.     Use the binomial distribution to find the probability of 90 trials.         d.     Use the Poisson distribution to approximation find the probability of   in                90 trials.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT