Find the standard deviation for the binomial distribution which has the stated values of n and p. n=1622; p=0.57
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Find the standard deviation for the binomial distribution which has the stated values of n and p.
n=1622; p=0.57
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- Assume that a procedure yields a binomial distribution with n = 983 trials and the probability of success for one trial is p = 0.15. Find the mean for this binomial distribution. (Round answer to one decimal place.) H = | 147.5 Find the standard deviation for this distribution. (Round answer to two decimal places.) o = 11.20 Use the range rule of thumb to find the minimum usual value u-20 and the maximum usual value u+20. Enter answer as an interval using square-brackets only with whole numbers. usual values = [125.1,169.9]Assume that adults have IQ scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20 . Find the probability that a randomly selected adult has an IQ less than 95 a. Find the z-score: z = nothing (round to 2 decimal places) b. Find the probability: nothing (use 4 decimal places)Assume that a procedure yields a binomial distribution with n 1143 trials and the probability of success for one trial is p = 0.48. Find the mean for this binomial distribution. (Round answer to one decimal place.) Find the standard deviation for this distribution. (Round answer to two decimal places.) Use the range rule of thumb to find the minimum usual value u-20 and the maximum usual value p+2o. Enter answer as an interval using square-brackets only with whole numbers. usual values =
- Solve for the mean and standard deviation of the following Binomial distributions. a. n = 20 and p = 0.70 b. n = 70 and p = 0.35 c. n = 100 and p = 0.50Use the formula to find the standard error of the distribution of differences in sample means, x⎯⎯1−x⎯⎯2x¯1-x¯2.Samples of size 40 from Population 1 with mean 3.7 and standard deviation 1.9 and samples of size 40 from Population 2 with mean 1.9 and standard deviation 1.2Round your answer for the standard error to two decimal places.standard error = Enter your answer in accordance to the question statementA standardized exam's scores are normally distributed. In a recent year, the mean test score was 1463 and the standard deviation was 314. The test scores of four students selected at random are 1870, 1220, 2190, and 1340. Find the z-scores ← that correspond to each value and determine whether any of the values are unusual. F1 The z-score for 1870 is (Round to two decimal places as needed.) The z-score for 1220 is. (Round to two decimal places as needed.) The z-score for 2190 is (Round to two decimal places as needed.) The z-score for 1340 is. (Round to two decimal places as needed.) Which values, if any, are unusual? Select the correct choice below and, if necessary, fill in the answer box within your choice. OA. The unusual value(s) is/are. (Use a comma to separate answers as needed.) OB. None of the values are unusual. F2 80 F3 000 000 F4 F5 ^ MacBook Air F6 & A D F7 * DII F8 DD F9 ) J 운 F10 I a F11 + Next F12 delete
- A population has a mean of and standard deviation of 12. A sample of 36 observations will be taken . The probability tha the sample mean will be between 80.54 and 88.9 is A 0.7200 O B 0.0347 C 0.9511 D 8.3600Assume that a procedure yields a binomial distribution with n = 44 trials and the probability of success for one trial is p = 0.23. Find the mean for this binomial distribution. Round your answer to at least one decimal. μl Find the standard deviation for this distribution. Round your answer to at least two decimals. σA researcher recorded the number of shots made, X, out of 10 free throws by a sample of 1000 randomly selected college students. The table below is a probability distribution table representing the data collected. Calculate the mean and the standard deviation of the probability distribution using a TI-83, TI-83 Plus, or TI-84 graphing calculator. x P(x) 0 0.01 1 0.01 2 0.02 3 0.04 4 0.03 5 0.05 6 0.21 7 0.29 8 0.21 9 0.08 10 0.05
- Assume that a procedure yields a binomial distribution. n = 43 p = 0.7, Find the standard deviation. Round to one decimal place, if needed.Assume that a procedure yields a binomial distribution with n = 48 trials and the probability of success for one trial is p = 0.37. Find the mean for this binomial distribution. Round your answer to at least one decimal. μ = Find the standard deviation for this distribution. Round your answer to at least two decimals. σ =Assume that a procedure yields a binomial distribution with n = 513 trials and the probability of success for one trial is p = 0.27. Find the mean for this binomial distribution. (Round answer to one decimal place.) Find the standard deviation for this distribution. (Round answer to two decimal places.) O = Use the range rule of thumb to find the minimum usual value u-20 and the maximum usual value u+20. Enter answer as an interval using square-brackets only with whole numbers. usual values =
