A sample of 150 is drawn from a population with a proportion equal to 0.42 a....
a sample of 200 is drawn from a population with a proportion equal to .25. determine the probability of observing between 41 and 63 successes
Q2. In a random sample proportion of 100 units drawn from a binomial population with p=0.4, what is the probability of having 50% or more successes? (Area of Z=0.9793)
A random sample of n=49 observations is drawn from a population with a mean equal to 51 and a standard deviation equal to 14. a. Find the probability that x over bar x is less than 45. b. Find the probability that x over bar x is greater than 54. c. Find the probability that x over bar x falls between 45 and 53 The probability that x over bar x is less than 45 is ________- (Round to three...
A sample of size 45 will be drawn from a population with mean 53 and standard deviation 11. Use the T1-84 Plus calculator. (a) Is it appropriate to use the normal distribution to find probabilities for x? (b) Find the probability that will be between 54 and 55. Round the answer to at least four decimal places (c) Find the 47th percentile of x. Round the answer to at least two decimal places. Yes (a) Is it appropriate to use...
A random sample of n=49 observations is drawn from a population with a mean equal to 51 and a standard deviation equal to 14. c. Find the probability that x over bar x falls between 45 and 53. c. The probability that x over bar x falls between 45 and 53 is _____(Round to three decimal places as needed.) The answer.976 in not correct.
A random sample of nequals 36 observations is drawn from a population with a mean equal to 53 and a standard deviation equal to 24 . a. Find the probability that x overbaris less than 45 . b. Find the probability that x overbaris greater than 63. c. Find the probability that x overbar falls between 45 and 61. .
A random sample of n=49 observations is drawn from a population with a mean equal to 59 and a standard deviation equal to 28. a. Find the probability that x overbarx is less than 47. b. Find the probability that x overbarx is greater than 69. c. Find the probability that x overbarx falls between 47 and 67
A population proportion is 0.3. A sample of size 150 will be taken and the sample proportion will be used to estimate the population proportion. Use z-table. Round your answers to four decimal places. a. What is the probability that the sample proportion will be within ±0.04 of the population proportion? b. What is the probability that the sample proportion will be within ±0.07 of the population proportion?
A population proportion is .04 A sample size of 150 will be taken and the sample proportion will be used to estimate the population proportion. Use z-table. Round your answers to four decimal places. Do not round intermediate calculations. a. What is the probability that the sample proportion will be within +-0.03 of the population proportion? b. What is the probability that the sample proportion will be within +-0.06 of the population proportion?
A random sample of=49 observations is drawn from a population with a mean equal to 20 and a standard deviation equal to14. a. Find the probability that x overbarx is less than 14. b. Find the probability that x overbarx is greater than 25. c. Find the probability that x overbarx falls between 14 and 22 a. The probability that x overbarx is less than 14 is _________(Round to three decimal places as needed.)