Given a random sample of size of n equals 900 from a binomial probability distribution with P equals 0.50. Find the probability that the number of successes is greater than 475.
Given a random sample of size of n equals 900 from a binomial probability distribution with...
f size of n 4,900 from a binomial probability distribution with P 0.50, complete parts (a) through (e) below. Given a random sample EClick the icon to view the standard normal table of the cumulative distribution function. a. Find the probability that the number of successes is greater than 2,490. (Round to four decimal places as needed.) P(X 2,490) b. Find the probability that the number of successes is fewer than 2,425 P(X<2,425) (Round to four decimal places as needed....
A) B) Given a random sample size n=1600 from a binomial probability distribution with P=0.40 do the following... Find the probability that the percentage of successes is between 0.37 and 0.44. The probability is O A. 0.0095 O B. 0.9701 O C. 0.9021 O D. None of these answers are correct. THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION: You are the webmaster for your firm's website. From your records, you know that the probability that a visitor will...
If a binomial distribution applies with a sample size of n=20, find the values below. a. The probability of 55 successes if the probability of a success is 0.50 b. The probability of at least 77 successes if the probability of a success is 0.25 c. The expected value, n=20, p=0.30 d. The standard deviation, n=20, p=0.30
5.2 Assume that a procedure yields a binomial distribution with N equals=5 trials and a probability of success of p equals=0.200.20. Use a binomial probability table to find the probability that the number of successes x is exactly 2. LOADING... P(2) = ___________ (Round to three decimal places as needed.)
If a binomial distribution applies with a sample size of n=20, find the values below. a. The probability of 5 successes if the probability of a success is 0.30 b. The probability of at least 7 successes if the probability of a success is 0.25 c. The expected value, n = 20, p = 0.65 a. The probability of 5 successes if the probability of a success is 0.30 is _______ (Round to four decimal places as needed.) .
A random variable follows a binomial distribution with a probability of success equal to 0.64. For a sample size of n=9, find the values below. a. the probability of exactly 3 successes b. the probability of 6 or more successes c. the probability of exactly 9 successes d. the expected value of the random variable
A random sample of size n = 40 is selected from a binomial distribution with population proportion p = 0.25. Describe the approximate shape of the sampling distribution of p̂. approximately normalskewed left uniformskewed right Calculate the mean and standard deviation (or standard error) of the sampling distribution of p̂. (Round your standard deviation to four decimal places.) mean standard deviation Find the probability that the sample proportion p̂ is between 0.15 and 0.41. (Round your answer to four decimal places.)
5-28. Assuming the binomial distribution applies with a sample size of n = 15, find a. the probability of 5 or more successes if the probability of a success is 0.30 b. the probability of fewer than 4 successes if the probability of a success is 0.75 c. the expected value of the random variable if the probability of success is 0.40 d. the standard deviation of the random variable if the probability of success is 0.40 5-36. Dell Computers...
A random sample of size n = 60 is selected from a binomial distribution with population proportion p = 0.25. (a) What will be the approximate shape of the sampling distribution of p? O skewed to the right O skewed to the left O normal (b) What will be the mean and standard deviation (or standard error) of the sampling distribution of p? (Round your answers to four decimal places.) C standard deviation mean (c) Find the probability that the...
Please help 18) Random variable Xhas a binomial distribution with sample size (n) - 2 and probability of success (p)-0.4. PIX A)0.6 is given by, C) 0.9 B) 0.4 D 0.48