Find the mean, standard deviation, and cdf for the exponential distribution. Show your calculations.
Find the mean, standard deviation, and cdf for the exponential distribution. Show your calculations.
2. Find the CDF of an exponential random variable with mean
Find the mean, variance, and standard deviation for the probability distribution. (Round your answers to two decimal places.)Pr(x)=x/28 ; x=1,2,3,4,5,6,7meanvariancestandard deviation
Find the mean and standard deviation of the given probability distribution. Round your answers to 2 places after the decimal point, if necessary. x P (x) 0 0.05 3 0.27 4 0.3 6 0.2 7 0.18 Mean = Standard deviation =
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.) μ = 8; σ = 2 P(7 ≤ x ≤ 11) = 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.) μ = 6.0; σ = 1.4 P(7 ≤ x ≤ 9) = Assume that x has a normal...
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...
A normal distribution with mean equal to zero and a standard deviation equal to one is called the ____________ normal distribution. exponential standard continuous uniform
a mean p - 78 and a standard deviation -14. Find the mean and standard deviation of a sampling distribution ( μ. σκ ) of sample means with sample size n- (Simplity your answer) (Simplity your answer)
For each of the following, find the mean and standard deviation of the sampling distribution of the sample mean. State if the sampling distribution is normal, approximately normal, or unknown. a. The population is skewed right with a mean of 4 and a standard deviation of 6. Many samples of size 100 are taken. b. The population is normal with a mean of 61 and a standard deviation of 9. Many samples of size 900 are taken. c. The population...
3) For the given probability distribution, find the mean and standard deviation
1) a normal distribution has a mean of 84 and standard deviation of 6 . find the z score corresponding to an x value of 76 2) a normal distribution has a mean of 55 and standard deviation of 2.7 . find the z score corresponding to an x value of 62