find the mean,variance and standard deviation for the following probability distribution 0 2 4 7 9...

find the mean,variance and standard deviation for the following probability distribution

0 2 4 7 9

15 22 40 34 8

Expert Solution

orchestra answered 1 year ago

1. For the following probability distribution find the mean, variance, and standard deviation. (complete the chart)....

1. For the following probability distribution find the mean, variance, and standard deviation. (complete the chart). X p(x) x.p(x) x-μ (x-μ)square root of 2 (x-μ)square root of 2 .p(x) 0 0.125 1 0.375 2 0.375 3 0.125 Mean= Variance= Standard deviation=

In a normal distribution with mean = 27 and standard deviation = 4 Find the probability...

In a normal distribution with mean = 27 and standard deviation = 4 Find the probability for a.) 23 < x < 31 b.) 27<x<35 c.) 25 < x < 30 d.) x>26 e.) x < 24

Find the mean and standard deviation of the following probability distribution. x 0 0.8 1 2.3...

Find the mean and standard deviation of the following probability distribution. x 0 0.8 1 2.3 3 P(x) 0.27 0.18 0.06 0.19 0.30

Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. (Negative...

Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. (Negative values should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places. Round your final answers to 2 decimal places.) x −32 −20 −10 −5 P(X = x) 0.46 0.24 0.18 0.12

1. Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution....

1. Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. X -23 17 -9 -3 P(X=x) 0.5 0.25 0.15 0.19 2. A marketing firm is considering making up to three new hires. Given its specific needs, the form feels that there is a 60% chance of hiring at least two candidates. There is only a 5% chance that it will not make any hires and a 10% chance that it will make all three...

Find the mean, variance and standard deviation for the probability distribution given below. Give your answers...

Find the mean, variance and standard deviation for the probability distribution given below. Give your answers to at least 4 decimal places. X -4 3 9 11 P(X) 0.599 0.131 0.214 0.056 A. Mean = B. Variance = C. Standard Deviation =

Find the mean, variance, and standard deviation of the binomial distribution with the given values of...

Find the mean, variance, and standard deviation of the binomial distribution with the given values of n and p. n=70, p=0.6 The mean, μ, is _______ (Round to the nearest tenth as needed.) The variance, σ2, is _______ (Round to the nearest tenth as needed.) The standard deviation, σ, is _______ (Round to the nearest tenth as needed.)

1. Following a normal probability distribution with a mean of 200 and a standard deviation of...

1. Following a normal probability distribution with a mean of 200 and a standard deviation of 10, 95 percent of the population will be between: 200 and 220 180 and 220 180 and 200 less than 180 3. A family of four spends an average of $1000 per month with a standard deviation of $50. This spending follows a normal continuous distribution. What is the probability that a family will spend more than $1050 in a month? (answer to 3 decimal places) 5....

Consider the standard normal distribution with mean  = 0, and standard deviation  = 1...

Consider the standard normal distribution with mean  = 0, and standard deviation  = 1 a. What is the probability that an outcome z is greater than 2.20? b. What is the probability that z is less than 1.1? c. What is the probability that z is between -1.03 and 0.84? d. What value of z cuts off the upper 23% of the standard normal distribution? e. What value of z cuts off the lower 18% of the standard...

A certain probability distribution is given below. Find the mean and standard deviation. X 15.8 15.9...

A certain probability distribution is given below. Find the mean and standard deviation. X 15.8 15.9 16.0 16.1 16.2 P(X=x) .1 .2 .4 .2 .1

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