Assume that a procedure yields a binomial distribution with n=422n=422 trials and the probability of success for one trial is p=15%p=15%. Find the mean for this binomial distribution. (Round answer to one decimal place.) μ=μ=  Find the standard deviation for this distribution. (Round answer to two decimal places.) σ=σ=  Use the range rule of thumb to find the minimum usual value μ–2σ and the maximum usual value μ+2σ. Enter answer as an interval using square-brackets only with whole numbers. usual values =

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A: It is assumed that the readings at freezing on a batch of thermometers are normally distributed with…

Q: Assume that a procedure yields a binomial distribution with n = 651 trials and the probability of…

A: Given Information: Assume that a procedure yields a Binomial distribution with n=651 trials and the…

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A: The kth percentile represents the area of k to the left of z. Here, the kth percentile is calculated…

Q: A sample has a mean of M =75 and a standard deviation of s = 15 . Find the z-score for each of the…

A: Given that, Mean (M) =75 Standard deviation (s) = 15

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Q: Assume that a procedure yields a binomial distribution with n 1369 trials and the probability of…

A: We have given that the binomial distribution with parameters n=1369 and p=49% = 0.49. The pmf of…

Q: Assume that adults have IQ scores that are normally distributed with μ=38 and a standard deviation…

A:

Q: In a population distribution, a score of X 5 28 cor- responds to z  21.00 and a score of X  34 cor-…

A: Given: The z-score corresponding to X = 28 is -1.00. The z- score corresponding to X = 34 is -0.50.…

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A: We know that for continuous model, mean and standard deviation is given by-

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A: Let X denote the scores on a mathematics exam and it follows normal distribution with mean of…

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A: Let Z-score are normally distributed with mean = 0 and standard deviation = 2 Then,  We will find…

Q: Find the mean, variance, and standard deviation of the binomial distribution with the given values…

A: The mean of the binomial distribution can be calculated as: Mean μ=n⋅p=(80)⋅(0.30)=24

Q: Find the mean, variance, and standard deviation of the binomial distribution with the given values…

A: Given , n = 70p = 0.9 We have to find the mean , variance and standard deviation.

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Q: The probability that a randomly selected adult has an IQ less than 128 is (Type an integer or…

A: Given:  Consider X as a random variable that follows a normal distribution with mean 22 and…

Q: Assume that a procedure yields a binomial distribution with n = 871 trials and the probability of…

A: From the provided information, Number of trials (n) = 871 And p = 0.17

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A: For the distribution of the given standardized exam score, it is given that:The mean, And the…

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Q: Find the mean for this binomial distribution. (Round answer to one decimal place.) Find the standard…

A: It is given that Number of trials n = 1497 Probability of success p = 0.81

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A: Given Mean=100 Standard deviations=17

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Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A:

Q: If X follows a gamma distribution with a mean of 12 and a standard deviation of 6 then the parameter…

A: gamma distribution : mean= αβ standard deviation=β√α

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A: Given that  The average life of a refrigerator before replacement is μ = 15 years 68% data range…

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A: For stanadrd normal distribution, Mean = 0 and the stanadrd deviation = 1. Draw the normal curve…

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A: P(-b<Z<b)=0.9706

Q: 4. Suppose X1 is normally distributed with a mean of 3 and standard deviation of 0.3. Suppose X2 is…

A: It is given that X1~N(3,0.3) and X2~N(5,0.7). That is, E(X1)=3, SD(X1)=0.3 and E(X2)=5, SD(X2)=0.7.…

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Q: Find the mean, variance, and standard deviation of the binomial distribution with the giver values…

A: binomial distributionn = 121p = 0.44μ,σ2,σ = ?

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Q: The random variable x represents the number of boys in a family of three children. Assuming that…

A: Answer; - Given a probability distribution                 x P(x) x*P(x) x^2*P(x) 0 0.125 0 0…

Q: Suppose the scores on a standardized test are normally distributed with mean μ=340μ=340 and the…

A: Given: μ=340 and σ=32. 1. Now, from the given…

Q: should increase when a new variable is manipulated. To test their claim, the research collects a…

A: Let  be the population variance.Given that,Population variance Sample size Sample variance Assume…