Find the standard deviation for a bionomial distribution where n = 70 and p = .275. Round the answer to the hundredths decimal place.
We have here given,
n= 70 , p = 0.275
Standard deviation formula for binomial distribution is
Find the standard deviation for a bionomial distribution where n = 70 and p = .275....
Suppose x has a distribution with a mean of 70 and a standard deviation of 27. Random samples of size n = 36 are drawn. (a) Describe the x distribution and compute the mean and standard deviation of the distribution. x has distribution ___________ with mean μx = _______ and standard deviation σx = __________. (b) Find the z value corresponding to x = 79. z = (c) Find P(x < 79). (Round your answer to four decimal places.) P(x...
Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.) H = 48; 0 = 16 P(40 sxs 47) = Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.) u = 14.6; 0 = 3.3 P(8 SX s 12) = Assume that x has a normal distribution with the...
Find the mean, variance, and standard deviation of the binomial distribution with the given values ofn and p. n= 70, p=02 The mean, u, is. (Round to the nearest tenth as needed) The variance, o, is (Round to the nearest tenth as needed) The standard deviation, 6, is Round to the nearest tenth as needed) Enter your answer in each of the answer boxes TIHC
Find the mean, variance, and standard deviation of the binomial distribution with the given values of n and p. n equals 70 , p equals 0.3 The mean, mu , is nothing . (Round to the nearest tenth as needed.)
1. X has a normal distribution with the given mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.) μ = 41, σ = 20, find P(35 ≤ X ≤ 42) 2. Find the probability that a normal variable takes on values within 0.9 standard deviations of its mean. (Round your decimal to four decimal places.) 3. Suppose X is a normal random variable with mean μ = 100 and standard deviation σ = 10....
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Find the standard deviation, s, of sample data summarized in the frequency distribution table given below by using the formula below, where x represents the class midpoint, f represents the class frequency, and n represents the lotal number of sample values. Aiso, compare the computed standard deviation to the standard deviation obtained from the original list of data values, 9.0. [Σ.)-Συ.) nin-1) 60-59 25 60 49 70-79 Interval 20-29 30-30 4040 10 Frequency 20 36 (Round to one decimal place...
Find the mean, variance, and standard deviation of the binomial distribution with the given values of n and p. n=50 p=0.2.
Find the standard deviation, for the binomial distribution which has the stated values of n and p Round your answer to the nearest hundredth n=503, p=0.7 OA. = 14.40 OB. 0=7.87 OC. G=13,55 OD. O=1028 Click to select your answer. ENG 20
A population has a mean μ-85 and a standard deviation σ-21. Find the mean and standard deviation of a sampling distribution of sample means with sample size n 49 H(Simplity your answer) o-# L] (Simplify your answer.) to the random variable x is normally distributed with mean-83 and standard deviation ơ-4 Find the indicated probability P(70sx 76) P(70 < x < 76)= Round to four decimal places as needed.) Enter your answer in the answer box